Djević, Milan

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Energy productivity of the tomato greenhouse production

Dimitrijević, Aleksandra; Bajkin, Andjelko; Djević, Milan; Urošević, Mirko

(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2011)

TY  - JOUR
AU  - Dimitrijević, Aleksandra
AU  - Bajkin, Andjelko
AU  - Djević, Milan
AU  - Urošević, Mirko
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2649
AB  - The aim of this research was to define tomato greenhouse production regarding the energy consumption in order to find the critical points in the energy flow, that can be eliminated or their influence reduced by choosing the adequate type of construction, production technology and culture that will be produced. Energy parameters were determined for four different greenhouse constructions. On the basis of tomato yield, production output and the energy input (fuel, electricity, straw, fertilizer, plant protection chemicals, water, human labor, technical systems), specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 21.96 MJ/m2. The highest energy consumption was measured for the tunnel structure, 26.87 MJ/m2. The highest tomato yield was obtained in multispan greenhouse with thirteen bays, 35.81 kg/m2. As for the energy parameters, the highest energy input was measured for the tunnel structure, 1.55 MJ/kg while the lowest was obtained in multi-span greenhouse with thirteen bays, 0.65 MJ/kg. The highest energy ratio was calculated for the multi-span greenhouse with thirteen bays, 1.23 as well as the highest energy productivity, 1.55 kg/MJ.
AB  - Cilj ovog rada je bio da se definiše proizvodnja paradajza u zaštićenom prostoru sa aspekta potrošnje energije kako bi se uočila kritična mesta u energetskom bilansu proizvodnje i kako bi se utvrdilo da li se izborom konstrukcije objekta zaštićenog prostora može uticati na energetski bilans proizvodnog sistema. Energetski bilans je utvrđen za četiri tipa konstrukcije objekata zaštićenog prostora. Na osnovu prinosa paradajza, energetskog inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u objektu sa dva bloka, 21,96 MJ/m2 dok je najviša potrošnja energije izmerena u objektu tunel tipa, 26,87 MJ/m2. Najviši prinos paradajza ostvaren je u blok plasteniku sa trinaest blokova, 35,81 kg/m2. Kada se pogleda energetski bilans, najviši energetski input utvrđen je za objekat tunel tipa 1,55 MJ/kg a najniži za blok plastenik sa trinaest blokova 0,65 MJ/kg. Najviši energetski odnos je zabeležen kod blok objekta sa trinaest blokova, 1,23 kao i najviša energetska produktivnost, 1,55 kg/MJ.
PB  - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
T2  - Journal on Processing and Energy in Agriculture
T1  - Energy productivity of the tomato greenhouse production
T1  - Energetska produktivnost proizvodnje paradajza u objektima zaštićenog prostora
EP  - 142
IS  - 3
SP  - 138
VL  - 15
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2649
ER  - 
@article{
author = "Dimitrijević, Aleksandra and Bajkin, Andjelko and Djević, Milan and Urošević, Mirko",
year = "2011",
abstract = "The aim of this research was to define tomato greenhouse production regarding the energy consumption in order to find the critical points in the energy flow, that can be eliminated or their influence reduced by choosing the adequate type of construction, production technology and culture that will be produced. Energy parameters were determined for four different greenhouse constructions. On the basis of tomato yield, production output and the energy input (fuel, electricity, straw, fertilizer, plant protection chemicals, water, human labor, technical systems), specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 21.96 MJ/m2. The highest energy consumption was measured for the tunnel structure, 26.87 MJ/m2. The highest tomato yield was obtained in multispan greenhouse with thirteen bays, 35.81 kg/m2. As for the energy parameters, the highest energy input was measured for the tunnel structure, 1.55 MJ/kg while the lowest was obtained in multi-span greenhouse with thirteen bays, 0.65 MJ/kg. The highest energy ratio was calculated for the multi-span greenhouse with thirteen bays, 1.23 as well as the highest energy productivity, 1.55 kg/MJ., Cilj ovog rada je bio da se definiše proizvodnja paradajza u zaštićenom prostoru sa aspekta potrošnje energije kako bi se uočila kritična mesta u energetskom bilansu proizvodnje i kako bi se utvrdilo da li se izborom konstrukcije objekta zaštićenog prostora može uticati na energetski bilans proizvodnog sistema. Energetski bilans je utvrđen za četiri tipa konstrukcije objekata zaštićenog prostora. Na osnovu prinosa paradajza, energetskog inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u objektu sa dva bloka, 21,96 MJ/m2 dok je najviša potrošnja energije izmerena u objektu tunel tipa, 26,87 MJ/m2. Najviši prinos paradajza ostvaren je u blok plasteniku sa trinaest blokova, 35,81 kg/m2. Kada se pogleda energetski bilans, najviši energetski input utvrđen je za objekat tunel tipa 1,55 MJ/kg a najniži za blok plastenik sa trinaest blokova 0,65 MJ/kg. Najviši energetski odnos je zabeležen kod blok objekta sa trinaest blokova, 1,23 kao i najviša energetska produktivnost, 1,55 kg/MJ.",
publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad",
journal = "Journal on Processing and Energy in Agriculture",
title = "Energy productivity of the tomato greenhouse production, Energetska produktivnost proizvodnje paradajza u objektima zaštićenog prostora",
pages = "142-138",
number = "3",
volume = "15",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2649"
}
Dimitrijević, A., Bajkin, A., Djević, M.,& Urošević, M.. (2011). Energy productivity of the tomato greenhouse production. in Journal on Processing and Energy in Agriculture
Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad., 15(3), 138-142.
https://hdl.handle.net/21.15107/rcub_agrospace_2649
Dimitrijević A, Bajkin A, Djević M, Urošević M. Energy productivity of the tomato greenhouse production. in Journal on Processing and Energy in Agriculture. 2011;15(3):138-142.
https://hdl.handle.net/21.15107/rcub_agrospace_2649 .
Dimitrijević, Aleksandra, Bajkin, Andjelko, Djević, Milan, Urošević, Mirko, "Energy productivity of the tomato greenhouse production" in Journal on Processing and Energy in Agriculture, 15, no. 3 (2011):138-142,
https://hdl.handle.net/21.15107/rcub_agrospace_2649 .

Energy efficiency of the lettuce open filed and greenhouse production

Dimitrijević, Aleksandra; Djević, Milan; Miodragović, Rajko; Mileusnić, Zoran

(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2011)

TY  - JOUR
AU  - Dimitrijević, Aleksandra
AU  - Djević, Milan
AU  - Miodragović, Rajko
AU  - Mileusnić, Zoran
PY  - 2011
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2529
AB  - Greenhouse production is still among the most energy-consuming branches of agriculture. Producers are faced with high cost of the operations involved in greenhouse production processes (climate control, fertilizing, irrigation). This is the reason why an optimal combination of energy inputs that will make this production more energy efficient, needs to be found. In this paper the influence of the production technology and greenhouse construction on energy efficiency in winter lettuce production was estimated for different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse structure influences energy consumption, energy inputs were estimated for lettuce production in the open filed and in four different greenhouse structures (a tunnel and gutter connected structure and two multi-span greenhouses). On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 3.11 MJ/m2. The highest energy consumption was measured for the open filed lettuce production, 7.99 MJ/m2. The lowest lettuce yield was measured in the open filed production (1.89 kg/m2) and the highest in the multi-span greenhouse, GH4, (6.08 kg/m2). The highest value for output-input ratio was calculated for the multi-span greenhouse with thirteen bays, 0.85 and the lowest for the open filed production, 0.11. Regression equations show the nature of the greenhouse structure influence on these parameters.
AB  - Biljna proizvodnja u zaštićenom prostoru predstavlja granu poljoprivrede sa najvećom potrošnjom energije. Proizvođači su suočeni sa visokim troškovima pojedinih proizvodnih procesa, što predstavlja jedan od razloga potrebe pronalaženja optimalne kombinacije energetskih inputa koja bi ovu proizvodnju učinila energetski efikasnijom. U ovom radu analiziran je energetski bilans proizvodnje salate na otvorenom polju i u objektima zaštićenog prostora različite konstrukcije. Utrošak energije praćen je u proizvodnji na otvorenom i u četiri tipa objekata zaštićenog prostora. Na bazi direktnih i indirektnih energetskih inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u blok objektu sa dva bloka, 3,11 MJ/m2, dok je najviša vrednost utrošene energije zabeležena u proizvodnji na otvorenom polju, 7,99 MJ/m2. Najniži prinos ostvaren je u proizvodnji salate na otvorenom polju, 1,89 kg/m2, dok je najviši prinos ostvaren u blok objektu GH4, od 6,08 kg/m2. Najviši energetski odnos ostvaren je u blok objektu sa trinaest blokova, 0,85 a najniži u proizvodnji na otvorenom polju, 0,11. Jednačine regresije su ukazale na prirodu zavisnosti energetskog bilansa sistema od izabrane konstrukcije objekta zaštićenog prostora.
PB  - Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
T2  - Savremena poljoprivredna tehnika
T1  - Energy efficiency of the lettuce open filed and greenhouse production
T1  - Energetska produktivnost proizvodnje salate na otvorenom polju i u objektima zaštićenog prostora različite konstrukcije
EP  - 54
IS  - 1
SP  - 45
VL  - 37
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2529
ER  - 
@article{
author = "Dimitrijević, Aleksandra and Djević, Milan and Miodragović, Rajko and Mileusnić, Zoran",
year = "2011",
abstract = "Greenhouse production is still among the most energy-consuming branches of agriculture. Producers are faced with high cost of the operations involved in greenhouse production processes (climate control, fertilizing, irrigation). This is the reason why an optimal combination of energy inputs that will make this production more energy efficient, needs to be found. In this paper the influence of the production technology and greenhouse construction on energy efficiency in winter lettuce production was estimated for different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse structure influences energy consumption, energy inputs were estimated for lettuce production in the open filed and in four different greenhouse structures (a tunnel and gutter connected structure and two multi-span greenhouses). On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 3.11 MJ/m2. The highest energy consumption was measured for the open filed lettuce production, 7.99 MJ/m2. The lowest lettuce yield was measured in the open filed production (1.89 kg/m2) and the highest in the multi-span greenhouse, GH4, (6.08 kg/m2). The highest value for output-input ratio was calculated for the multi-span greenhouse with thirteen bays, 0.85 and the lowest for the open filed production, 0.11. Regression equations show the nature of the greenhouse structure influence on these parameters., Biljna proizvodnja u zaštićenom prostoru predstavlja granu poljoprivrede sa najvećom potrošnjom energije. Proizvođači su suočeni sa visokim troškovima pojedinih proizvodnih procesa, što predstavlja jedan od razloga potrebe pronalaženja optimalne kombinacije energetskih inputa koja bi ovu proizvodnju učinila energetski efikasnijom. U ovom radu analiziran je energetski bilans proizvodnje salate na otvorenom polju i u objektima zaštićenog prostora različite konstrukcije. Utrošak energije praćen je u proizvodnji na otvorenom i u četiri tipa objekata zaštićenog prostora. Na bazi direktnih i indirektnih energetskih inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u blok objektu sa dva bloka, 3,11 MJ/m2, dok je najviša vrednost utrošene energije zabeležena u proizvodnji na otvorenom polju, 7,99 MJ/m2. Najniži prinos ostvaren je u proizvodnji salate na otvorenom polju, 1,89 kg/m2, dok je najviši prinos ostvaren u blok objektu GH4, od 6,08 kg/m2. Najviši energetski odnos ostvaren je u blok objektu sa trinaest blokova, 0,85 a najniži u proizvodnji na otvorenom polju, 0,11. Jednačine regresije su ukazale na prirodu zavisnosti energetskog bilansa sistema od izabrane konstrukcije objekta zaštićenog prostora.",
publisher = "Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad",
journal = "Savremena poljoprivredna tehnika",
title = "Energy efficiency of the lettuce open filed and greenhouse production, Energetska produktivnost proizvodnje salate na otvorenom polju i u objektima zaštićenog prostora različite konstrukcije",
pages = "54-45",
number = "1",
volume = "37",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2529"
}
Dimitrijević, A., Djević, M., Miodragović, R.,& Mileusnić, Z.. (2011). Energy efficiency of the lettuce open filed and greenhouse production. in Savremena poljoprivredna tehnika
Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad., 37(1), 45-54.
https://hdl.handle.net/21.15107/rcub_agrospace_2529
Dimitrijević A, Djević M, Miodragović R, Mileusnić Z. Energy efficiency of the lettuce open filed and greenhouse production. in Savremena poljoprivredna tehnika. 2011;37(1):45-54.
https://hdl.handle.net/21.15107/rcub_agrospace_2529 .
Dimitrijević, Aleksandra, Djević, Milan, Miodragović, Rajko, Mileusnić, Zoran, "Energy efficiency of the lettuce open filed and greenhouse production" in Savremena poljoprivredna tehnika, 37, no. 1 (2011):45-54,
https://hdl.handle.net/21.15107/rcub_agrospace_2529 .

Energy efficiency of the open field and greenhouse tomato production

Djević, Milan; Dimitrijević, Aleksandra

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2010)

TY  - CONF
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2310
AB  - The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition With tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE film, 5 x 20 in and one gutter-connected double PE covered structure 2 l m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open field and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses.
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering, Proceedings
T1  - Energy efficiency of the open field and greenhouse tomato production
EP  - 253
SP  - 245
VL  - 38
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2310
ER  - 
@conference{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2010",
abstract = "The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition With tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE film, 5 x 20 in and one gutter-connected double PE covered structure 2 l m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open field and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses.",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering, Proceedings",
title = "Energy efficiency of the open field and greenhouse tomato production",
pages = "253-245",
volume = "38",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2310"
}
Djević, M.,& Dimitrijević, A.. (2010). Energy efficiency of the open field and greenhouse tomato production. in Actual Tasks on Agricultural Engineering, Proceedings
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 38, 245-253.
https://hdl.handle.net/21.15107/rcub_agrospace_2310
Djević M, Dimitrijević A. Energy efficiency of the open field and greenhouse tomato production. in Actual Tasks on Agricultural Engineering, Proceedings. 2010;38:245-253.
https://hdl.handle.net/21.15107/rcub_agrospace_2310 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy efficiency of the open field and greenhouse tomato production" in Actual Tasks on Agricultural Engineering, Proceedings, 38 (2010):245-253,
https://hdl.handle.net/21.15107/rcub_agrospace_2310 .
3

Technology of food packaging

Djević, Milan; Dimitrijević, Aleksandra

(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2010)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2280
AB  - Food packaging science is a discipline which applies the principles from four major areas of science (material science, food science, information science and socioeconomics) in order to understand the properties of packaging materials, the packaging requirements of food, the packaging systems etc. In the food packaging industry market response is an initiating force for the food packaging technology development. In this paper an overview of food packaging technology is given as well as most important packaging functions and environments. The typical food packaging development process which may serve as a guide for designing food packaging systems is also presented. The paper gives the examples of analyzing food packaging systems and food packaging levels that can be optimized to provide the most efficient solution.
AB  - Proces pakovanja hrane ima podjednaku važnost kao i sam proces proizvodnje hrane. Kao finalni postupak u veoma kompleksnom procesu proizvodnje hrane u sistemu 'od njive do trpeze' tehnološko-tehnički sistem pakovanja mora da zadovolji višestruke kriterijume koji su, često, i u suprotnosti. Poznavanje ambalaže i procesa pakovanja poljoprivrednih i prehrambenih proizvoda može znatno olakšati postupke projektovanja i optimizacije transporta i skladištenja na imanjima i, samim tim, dovede do određenih ušteda kako u energetskom tako i u ekonomskom pogledu. Sam krajnji cilj ambalaže i pakovanja poljoprivrednih i prehrambenih proizvoda je svakako dvojak i to, najpre, održavanje kvaliteta upakovanog proizvoda ali i komercijalni u smislu što boljeg reklamiranja upakovane robe. Tehnološko-tehnički sistemi pakovanja hrane se mogu posmatrati sa više aspekata i to sa aspekta nauke o materijalima za pakovanje, zatim sa aspekta nauke o hrani i o samom procesu njene proizvodnje, kroz informacione tehnologije i sa socio-ekonomskog aspekta. Cilj rada je da prikaže osnove tehnologije pakovanja kao i najznačajnije funkcije pakovanja i ambalažiranja poljoprivrednih i prehrambenih proizvoda. U radu su dati i primeri mogućih analiza tehnološko-tehničkih sistema pakovanja čija primena za ishod ima optimalno tehnološko-tehničko rešenje sistema pakovanja prehrambenih proizvoda. Dati primeri se mogu posmatrati kao praktični saveti koji kombinuju elemente funkcije ambalaže i socio-ekonomske parametre kao i elemente funkcije ambalaže i ekologije. U daljem toku rada prikazani su osnovni elementi i uticajni faktori razvoja tehnološko-tehničkog sistema pakovanja prehrambenih proizvoda. Ovde se najpre misli na određivanje samih potreba proizvoda koji se pakuje, zatim na analizu materijala od koga je izrađena ambalaža i na tehničke sisteme pakovanja kao i na evaluaciju izrađenog prototipa i njegovo konačno pojavljivanje na tržištu.
PB  - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
T2  - Journal on Processing and Energy in Agriculture
T1  - Technology of food packaging
T1  - Tehnološko-tehnički sistemi pakovanja prehrambenih proizvoda
EP  - 75
IS  - 2
SP  - 72
VL  - 14
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2280
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2010",
abstract = "Food packaging science is a discipline which applies the principles from four major areas of science (material science, food science, information science and socioeconomics) in order to understand the properties of packaging materials, the packaging requirements of food, the packaging systems etc. In the food packaging industry market response is an initiating force for the food packaging technology development. In this paper an overview of food packaging technology is given as well as most important packaging functions and environments. The typical food packaging development process which may serve as a guide for designing food packaging systems is also presented. The paper gives the examples of analyzing food packaging systems and food packaging levels that can be optimized to provide the most efficient solution., Proces pakovanja hrane ima podjednaku važnost kao i sam proces proizvodnje hrane. Kao finalni postupak u veoma kompleksnom procesu proizvodnje hrane u sistemu 'od njive do trpeze' tehnološko-tehnički sistem pakovanja mora da zadovolji višestruke kriterijume koji su, često, i u suprotnosti. Poznavanje ambalaže i procesa pakovanja poljoprivrednih i prehrambenih proizvoda može znatno olakšati postupke projektovanja i optimizacije transporta i skladištenja na imanjima i, samim tim, dovede do određenih ušteda kako u energetskom tako i u ekonomskom pogledu. Sam krajnji cilj ambalaže i pakovanja poljoprivrednih i prehrambenih proizvoda je svakako dvojak i to, najpre, održavanje kvaliteta upakovanog proizvoda ali i komercijalni u smislu što boljeg reklamiranja upakovane robe. Tehnološko-tehnički sistemi pakovanja hrane se mogu posmatrati sa više aspekata i to sa aspekta nauke o materijalima za pakovanje, zatim sa aspekta nauke o hrani i o samom procesu njene proizvodnje, kroz informacione tehnologije i sa socio-ekonomskog aspekta. Cilj rada je da prikaže osnove tehnologije pakovanja kao i najznačajnije funkcije pakovanja i ambalažiranja poljoprivrednih i prehrambenih proizvoda. U radu su dati i primeri mogućih analiza tehnološko-tehničkih sistema pakovanja čija primena za ishod ima optimalno tehnološko-tehničko rešenje sistema pakovanja prehrambenih proizvoda. Dati primeri se mogu posmatrati kao praktični saveti koji kombinuju elemente funkcije ambalaže i socio-ekonomske parametre kao i elemente funkcije ambalaže i ekologije. U daljem toku rada prikazani su osnovni elementi i uticajni faktori razvoja tehnološko-tehničkog sistema pakovanja prehrambenih proizvoda. Ovde se najpre misli na određivanje samih potreba proizvoda koji se pakuje, zatim na analizu materijala od koga je izrađena ambalaža i na tehničke sisteme pakovanja kao i na evaluaciju izrađenog prototipa i njegovo konačno pojavljivanje na tržištu.",
publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad",
journal = "Journal on Processing and Energy in Agriculture",
title = "Technology of food packaging, Tehnološko-tehnički sistemi pakovanja prehrambenih proizvoda",
pages = "75-72",
number = "2",
volume = "14",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2280"
}
Djević, M.,& Dimitrijević, A.. (2010). Technology of food packaging. in Journal on Processing and Energy in Agriculture
Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad., 14(2), 72-75.
https://hdl.handle.net/21.15107/rcub_agrospace_2280
Djević M, Dimitrijević A. Technology of food packaging. in Journal on Processing and Energy in Agriculture. 2010;14(2):72-75.
https://hdl.handle.net/21.15107/rcub_agrospace_2280 .
Djević, Milan, Dimitrijević, Aleksandra, "Technology of food packaging" in Journal on Processing and Energy in Agriculture, 14, no. 2 (2010):72-75,
https://hdl.handle.net/21.15107/rcub_agrospace_2280 .

Energy consumption in the open field and greenhouse tomato production

Djević, Milan; Dimitrijević, Aleksandra; Mileusnić, Zoran; Miodragović, Rajko

(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2010)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
AU  - Mileusnić, Zoran
AU  - Miodragović, Rajko
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2199
AB  - The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE folia, 5 x 20 m and one gutter-connected double PE covered structure 21m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open filed and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses. The results show that there are differences in yield as well as in energy consumption between the open and the greenhouse tomato production. The highest yield was measured in the gutter-connected greenhouse, 23.78 kg/m2 and lowest in the open filed, 17 kg/m2. The direct and the indirect energy input measured show that the lower specific energy consumption per production surface can be expected in the open filed compared to the greenhouse tomato production. The lowest energy input per kilogram of product was measured for the gutter-connected greenhouse, of 0.89 MJ/kg, and the highest for the tunnel structure, 1.21 MJ/kg. The highest energy productivity was measured for the gutterconnected structure, 1.12 kg/MJ and the lowest for the tunnel structure, 0.83 MJ/kg. Based on the energy consumption and the energy output it can be seen that the tomato production in the open filed is less energy demanding compared to the tomato production in the greenhouses. The structure of energy inputs shows that 80 up to 90% of the total energy consumption is based on indirect energy inputs, mostly fertilizers, human labor and water for irrigation. Results also show that energy consumption must be analyzed together with the energy output. Greenhouse structures had better ratio between yield and energy consumption compared to the open filed production system. This has also led to the higher energy productivity in the greenhouse tomato production systems.
AB  - S obzirom na intenzivnost korišćenja paradajza u ljudskoj ishrani, za proizvođače je od izuzetnog značaja energetska, ekonomska i ekološka efikasnost proizvodnje.S obzirom na to da se paradajz gaji kako na otvorenom tako i u objektima zaštićenog prostora cilj istraživanja je bio analiza proizvodnje na otvorenom polju i u objektima zaštićenog prostora tunel i blok tipa s aspekta potrošnje energije i energetske efikasnosti. Objekat tunel tipa dimenzija je 5 x 20 m i pokriven je dvostrukom 180 μm PE UV IR folijom. Blok objekat je sa dva broda, dimenzija 21 x 250 m pokriven dvostrukom PE UV IR folijom. Rezultati ukazuju na razlike kako u prinosu tako i u potrošnji energije i energetskoj efikasnosti u proizvodnji na otvorenom i u objektima zaštićenog prostora. Najviši prinos ostvaren je u blok objektu od 23,78 kg/m2 a najniži na otvorenom polju od 17 kg/m2. Izmereni utrošak materijala i ljudskog rada u vidu direktnih i indirektnih inputa ukazuje da se niža potrošnja energije po jedinici površine može očekivati na otvorenom, a da se, kada su objekti zaštićenog prostora u pitanju niža potrošnja energije može očekivati kod objekata veće specifične zapremine, tj. objekata blok tipa. Najniži energetski input po kilogramu proizvoda ostvaren je u blok plasteniku, 0,89 MJ/kg, a najviši u objektu tunel tipa, 1,21 MJ/kg. Kada se govori o energetskoj produktivnosti u blok objektu je utvrđena najviša vrednost od 1,12 kg/MJ, dok je u objektu tunel tipa bila najniža i iznosila je 0,83 kg/MJ.
PB  - Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
T2  - Savremena poljoprivredna tehnika
T1  - Energy consumption in the open field and greenhouse tomato production
T1  - Potrošnja energije u proizvodnji paradajza na otvorenom i u objektima zaštićenog prostora različite konstrukcije
EP  - 146
IS  - 2
SP  - 138
VL  - 36
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2199
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra and Mileusnić, Zoran and Miodragović, Rajko",
year = "2010",
abstract = "The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE folia, 5 x 20 m and one gutter-connected double PE covered structure 21m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open filed and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses. The results show that there are differences in yield as well as in energy consumption between the open and the greenhouse tomato production. The highest yield was measured in the gutter-connected greenhouse, 23.78 kg/m2 and lowest in the open filed, 17 kg/m2. The direct and the indirect energy input measured show that the lower specific energy consumption per production surface can be expected in the open filed compared to the greenhouse tomato production. The lowest energy input per kilogram of product was measured for the gutter-connected greenhouse, of 0.89 MJ/kg, and the highest for the tunnel structure, 1.21 MJ/kg. The highest energy productivity was measured for the gutterconnected structure, 1.12 kg/MJ and the lowest for the tunnel structure, 0.83 MJ/kg. Based on the energy consumption and the energy output it can be seen that the tomato production in the open filed is less energy demanding compared to the tomato production in the greenhouses. The structure of energy inputs shows that 80 up to 90% of the total energy consumption is based on indirect energy inputs, mostly fertilizers, human labor and water for irrigation. Results also show that energy consumption must be analyzed together with the energy output. Greenhouse structures had better ratio between yield and energy consumption compared to the open filed production system. This has also led to the higher energy productivity in the greenhouse tomato production systems., S obzirom na intenzivnost korišćenja paradajza u ljudskoj ishrani, za proizvođače je od izuzetnog značaja energetska, ekonomska i ekološka efikasnost proizvodnje.S obzirom na to da se paradajz gaji kako na otvorenom tako i u objektima zaštićenog prostora cilj istraživanja je bio analiza proizvodnje na otvorenom polju i u objektima zaštićenog prostora tunel i blok tipa s aspekta potrošnje energije i energetske efikasnosti. Objekat tunel tipa dimenzija je 5 x 20 m i pokriven je dvostrukom 180 μm PE UV IR folijom. Blok objekat je sa dva broda, dimenzija 21 x 250 m pokriven dvostrukom PE UV IR folijom. Rezultati ukazuju na razlike kako u prinosu tako i u potrošnji energije i energetskoj efikasnosti u proizvodnji na otvorenom i u objektima zaštićenog prostora. Najviši prinos ostvaren je u blok objektu od 23,78 kg/m2 a najniži na otvorenom polju od 17 kg/m2. Izmereni utrošak materijala i ljudskog rada u vidu direktnih i indirektnih inputa ukazuje da se niža potrošnja energije po jedinici površine može očekivati na otvorenom, a da se, kada su objekti zaštićenog prostora u pitanju niža potrošnja energije može očekivati kod objekata veće specifične zapremine, tj. objekata blok tipa. Najniži energetski input po kilogramu proizvoda ostvaren je u blok plasteniku, 0,89 MJ/kg, a najviši u objektu tunel tipa, 1,21 MJ/kg. Kada se govori o energetskoj produktivnosti u blok objektu je utvrđena najviša vrednost od 1,12 kg/MJ, dok je u objektu tunel tipa bila najniža i iznosila je 0,83 kg/MJ.",
publisher = "Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad",
journal = "Savremena poljoprivredna tehnika",
title = "Energy consumption in the open field and greenhouse tomato production, Potrošnja energije u proizvodnji paradajza na otvorenom i u objektima zaštićenog prostora različite konstrukcije",
pages = "146-138",
number = "2",
volume = "36",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2199"
}
Djević, M., Dimitrijević, A., Mileusnić, Z.,& Miodragović, R.. (2010). Energy consumption in the open field and greenhouse tomato production. in Savremena poljoprivredna tehnika
Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad., 36(2), 138-146.
https://hdl.handle.net/21.15107/rcub_agrospace_2199
Djević M, Dimitrijević A, Mileusnić Z, Miodragović R. Energy consumption in the open field and greenhouse tomato production. in Savremena poljoprivredna tehnika. 2010;36(2):138-146.
https://hdl.handle.net/21.15107/rcub_agrospace_2199 .
Djević, Milan, Dimitrijević, Aleksandra, Mileusnić, Zoran, Miodragović, Rajko, "Energy consumption in the open field and greenhouse tomato production" in Savremena poljoprivredna tehnika, 36, no. 2 (2010):138-146,
https://hdl.handle.net/21.15107/rcub_agrospace_2199 .

Energy efficiency of the lettuce greenhouse production

Dimitrijević, Aleksandra; Djević, Milan; Blažin, Slobodan; Blažin, Dragan

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)

TY  - JOUR
AU  - Dimitrijević, Aleksandra
AU  - Djević, Milan
AU  - Blažin, Slobodan
AU  - Blažin, Dragan
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2187
AB  - In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated for different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse structure influences energy consumption, energy inputs were estimated for lettuce production in four different greenhouse structures (a tunnel and gutter connected structure and three multi-span greenhouses). On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 3.11 MJ/m2. The highest energy consumption was multi-span greenhouse with thirteen bays, 3.30 MJ/m2. The highest value for output-input ratio was calculated for the multi-span greenhouse with thirteen bays, 0.85 and the lowest for the tunnel structure, 0.47. Regression equations show the nature of the greenhouse structure influence on these parameters.
AB  - U ovom radu analiziran je uticaj konstrukcije objekata zaštićenog prostora na energetski bilans zimske proizvodnje salate. Utrošak energije praćen je u četiri tipa objekata zaštićenog prostora i na bazi direktnih i indirektnih energetskih inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u blok objektu sa dva bloka, 3,11 MJ/m2, dok je najviša vrednost utrošene energije zabeležena u blok objektu sa trinaest blokova, 3,30 MJ/m2. Najviši energetski odnos ostvaren je u blok objektu sa trinaest blokova, 0,85 a najniži u objektu tunel tipa, 0,47. Jednačine regresije su ukazale na prirodu zavisnosti energetskog bilansa sistema od izabrane konstrukcije objekta zaštićenog prostora.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Energy efficiency of the lettuce greenhouse production
T1  - Energetski bilans proizvodnje salate u objektima zaštićenog prostora različite konstrukcije
EP  - 106
IS  - 2
SP  - 97
VL  - 35
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2187
ER  - 
@article{
author = "Dimitrijević, Aleksandra and Djević, Milan and Blažin, Slobodan and Blažin, Dragan",
year = "2010",
abstract = "In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated for different double plastic covered greenhouses in Serbia region. In order to see whether the greenhouse structure influences energy consumption, energy inputs were estimated for lettuce production in four different greenhouse structures (a tunnel and gutter connected structure and three multi-span greenhouses). On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for gutter connected greenhouse with two bays, 3.11 MJ/m2. The highest energy consumption was multi-span greenhouse with thirteen bays, 3.30 MJ/m2. The highest value for output-input ratio was calculated for the multi-span greenhouse with thirteen bays, 0.85 and the lowest for the tunnel structure, 0.47. Regression equations show the nature of the greenhouse structure influence on these parameters., U ovom radu analiziran je uticaj konstrukcije objekata zaštićenog prostora na energetski bilans zimske proizvodnje salate. Utrošak energije praćen je u četiri tipa objekata zaštićenog prostora i na bazi direktnih i indirektnih energetskih inputa i energetskog outputa određeni su specifični energetski input, energetski odnos i energetska produktivnost. Rezultati pokazuju da je najniža potrošnja energije po jedinici površine ostvarena u blok objektu sa dva bloka, 3,11 MJ/m2, dok je najviša vrednost utrošene energije zabeležena u blok objektu sa trinaest blokova, 3,30 MJ/m2. Najviši energetski odnos ostvaren je u blok objektu sa trinaest blokova, 0,85 a najniži u objektu tunel tipa, 0,47. Jednačine regresije su ukazale na prirodu zavisnosti energetskog bilansa sistema od izabrane konstrukcije objekta zaštićenog prostora.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Energy efficiency of the lettuce greenhouse production, Energetski bilans proizvodnje salate u objektima zaštićenog prostora različite konstrukcije",
pages = "106-97",
number = "2",
volume = "35",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2187"
}
Dimitrijević, A., Djević, M., Blažin, S.,& Blažin, D.. (2010). Energy efficiency of the lettuce greenhouse production. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 35(2), 97-106.
https://hdl.handle.net/21.15107/rcub_agrospace_2187
Dimitrijević A, Djević M, Blažin S, Blažin D. Energy efficiency of the lettuce greenhouse production. in Poljoprivredna tehnika. 2010;35(2):97-106.
https://hdl.handle.net/21.15107/rcub_agrospace_2187 .
Dimitrijević, Aleksandra, Djević, Milan, Blažin, Slobodan, Blažin, Dragan, "Energy efficiency of the lettuce greenhouse production" in Poljoprivredna tehnika, 35, no. 2 (2010):97-106,
https://hdl.handle.net/21.15107/rcub_agrospace_2187 .

The influence of different traction systems on tractors performance in soil tillage

Mileusnić, Zoran; Djević, Milan; Miodragović, Rajko; Božić, Marija

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2010)

TY  - CONF
AU  - Mileusnić, Zoran
AU  - Djević, Milan
AU  - Miodragović, Rajko
AU  - Božić, Marija
PY  - 2010
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2312
AB  - This paper presents results of testing two different traction systems and analysis of their influence on tractor's efficiency in soil tillage. Results of the field testing concerning energy requirements and technical-economical characteristics in two different tillage systems it can be concluded that tractor with rubber belts was significantly efficient in comparison to tractor with dual tires. The tractor with rubber belts achieved 27.05 % higher rate of work and 11.67% higher energy efficiency. The fuel consumption of the tractor with the rubber belts traction system was 15.17% lower compared to the tractor with tractor with dual tires.
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering, Proceedings
T1  - The influence of different traction systems on tractors performance in soil tillage
EP  - 83
SP  - 75
VL  - 38
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_2312
ER  - 
@conference{
author = "Mileusnić, Zoran and Djević, Milan and Miodragović, Rajko and Božić, Marija",
year = "2010",
abstract = "This paper presents results of testing two different traction systems and analysis of their influence on tractor's efficiency in soil tillage. Results of the field testing concerning energy requirements and technical-economical characteristics in two different tillage systems it can be concluded that tractor with rubber belts was significantly efficient in comparison to tractor with dual tires. The tractor with rubber belts achieved 27.05 % higher rate of work and 11.67% higher energy efficiency. The fuel consumption of the tractor with the rubber belts traction system was 15.17% lower compared to the tractor with tractor with dual tires.",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering, Proceedings",
title = "The influence of different traction systems on tractors performance in soil tillage",
pages = "83-75",
volume = "38",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_2312"
}
Mileusnić, Z., Djević, M., Miodragović, R.,& Božić, M.. (2010). The influence of different traction systems on tractors performance in soil tillage. in Actual Tasks on Agricultural Engineering, Proceedings
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 38, 75-83.
https://hdl.handle.net/21.15107/rcub_agrospace_2312
Mileusnić Z, Djević M, Miodragović R, Božić M. The influence of different traction systems on tractors performance in soil tillage. in Actual Tasks on Agricultural Engineering, Proceedings. 2010;38:75-83.
https://hdl.handle.net/21.15107/rcub_agrospace_2312 .
Mileusnić, Zoran, Djević, Milan, Miodragović, Rajko, Božić, Marija, "The influence of different traction systems on tractors performance in soil tillage" in Actual Tasks on Agricultural Engineering, Proceedings, 38 (2010):75-83,
https://hdl.handle.net/21.15107/rcub_agrospace_2312 .

The influence of locomotion system on the tractors' exploitation characteristics

Mileusnić, Zoran; Djević, Milan; Petrović, Dragan; Miodragović, Rajko; Škrbić, Milan

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)

TY  - JOUR
AU  - Mileusnić, Zoran
AU  - Djević, Milan
AU  - Petrović, Dragan
AU  - Miodragović, Rajko
AU  - Škrbić, Milan
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1931
AB  - Basic types of tractor locomotion systems and their main characteristics are presented in the paper. Pull and steering properties of the tractor are realized through a contact surface between the locomotion system and soil. Therefore, the most influencing parameters, like athesion (φ), locomotion resistance factor (f) and slipping factor of the locomotion system (λ), are analyzed. Together with the comparison of pull and steering properties of different tractors, this analysis refined basic advantages and disadvantages of different locomotion systems based on wheels, metal and rubber crawlers.
AB  - U radu su prikazani osnovni tipovi hodnih sistema traktora i njihove najvažnije karakteristike. Vučna i upravljačka svojstva traktora ostvaruju se preko adhezije hodnog sistema i podloge na dodirnoj površi/sloju. Stoga su analizirani najuticajniji pripadajući faktori kao što su: adhezija φ, odnosno efikasnost prianjanja hodnog sistema na podlogu, koeficijent otpora (trenja) kotrljanja f i klizanje hodnog sistema λ. Kao rezultat poređenja vučnih i upravljačkih svojstava različitih traktora i analize navedenih relevantnih parametara, utvrđene su međusobne prednosti i nedostatci pripadajućih hodnih sistema i predložene oblasti njihove optimalne primene.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - The influence of locomotion system on the tractors' exploitation characteristics
T1  - Uticaj hodnog sistema na neke eksploatacione karakteristike traktora
EP  - 46
IS  - 1
SP  - 35
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1931
ER  - 
@article{
author = "Mileusnić, Zoran and Djević, Milan and Petrović, Dragan and Miodragović, Rajko and Škrbić, Milan",
year = "2009",
abstract = "Basic types of tractor locomotion systems and their main characteristics are presented in the paper. Pull and steering properties of the tractor are realized through a contact surface between the locomotion system and soil. Therefore, the most influencing parameters, like athesion (φ), locomotion resistance factor (f) and slipping factor of the locomotion system (λ), are analyzed. Together with the comparison of pull and steering properties of different tractors, this analysis refined basic advantages and disadvantages of different locomotion systems based on wheels, metal and rubber crawlers., U radu su prikazani osnovni tipovi hodnih sistema traktora i njihove najvažnije karakteristike. Vučna i upravljačka svojstva traktora ostvaruju se preko adhezije hodnog sistema i podloge na dodirnoj površi/sloju. Stoga su analizirani najuticajniji pripadajući faktori kao što su: adhezija φ, odnosno efikasnost prianjanja hodnog sistema na podlogu, koeficijent otpora (trenja) kotrljanja f i klizanje hodnog sistema λ. Kao rezultat poređenja vučnih i upravljačkih svojstava različitih traktora i analize navedenih relevantnih parametara, utvrđene su međusobne prednosti i nedostatci pripadajućih hodnih sistema i predložene oblasti njihove optimalne primene.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "The influence of locomotion system on the tractors' exploitation characteristics, Uticaj hodnog sistema na neke eksploatacione karakteristike traktora",
pages = "46-35",
number = "1",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1931"
}
Mileusnić, Z., Djević, M., Petrović, D., Miodragović, R.,& Škrbić, M.. (2009). The influence of locomotion system on the tractors' exploitation characteristics. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 34(1), 35-46.
https://hdl.handle.net/21.15107/rcub_agrospace_1931
Mileusnić Z, Djević M, Petrović D, Miodragović R, Škrbić M. The influence of locomotion system on the tractors' exploitation characteristics. in Poljoprivredna tehnika. 2009;34(1):35-46.
https://hdl.handle.net/21.15107/rcub_agrospace_1931 .
Mileusnić, Zoran, Djević, Milan, Petrović, Dragan, Miodragović, Rajko, Škrbić, Milan, "The influence of locomotion system on the tractors' exploitation characteristics" in Poljoprivredna tehnika, 34, no. 1 (2009):35-46,
https://hdl.handle.net/21.15107/rcub_agrospace_1931 .

Energy and distributions parameters of linear irrigation system

Miodragović, Rajko; Petrović, Dragan; Mileusnić, Zoran; Djević, Milan

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)

TY  - JOUR
AU  - Miodragović, Rajko
AU  - Petrović, Dragan
AU  - Mileusnić, Zoran
AU  - Djević, Milan
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1903
AB  - The paper is a synthesis of several years long research on rain irrigation with the mobile linear system, in some arable crops and vegetables. The research program included analysis of parameters that influence uniformity of mobile linear irrigation. The main research goal was to define the energetic indicators, as well as indicators of function quality, and their influence on defining of irrigation uniformity according to the predefined irrigation rate.
AB  - Rad predstavlja sintezu višegodišnjih istraživanja navodnjavanja kišenjem mobilnim linearnim uređajem nekih ratarskih i povrtarskih useva. Program istraživanja je obuhvatio analizu parametara koji utiču na ravnomernost navodnjavanja mobilnog linearnog sistema. Cilj istraživanja je utvrđivanje energetskih parametara, pokazatelja kvaliteta rada i njihovog uticaja na ravnomernost navodnjavanja prema zadatoj normi.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Energy and distributions parameters of linear irrigation system
T1  - Energetski i distribucioni parametri linearnog sistema navodnjavanja
EP  - 55
IS  - 3
SP  - 47
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1903
ER  - 
@article{
author = "Miodragović, Rajko and Petrović, Dragan and Mileusnić, Zoran and Djević, Milan",
year = "2009",
abstract = "The paper is a synthesis of several years long research on rain irrigation with the mobile linear system, in some arable crops and vegetables. The research program included analysis of parameters that influence uniformity of mobile linear irrigation. The main research goal was to define the energetic indicators, as well as indicators of function quality, and their influence on defining of irrigation uniformity according to the predefined irrigation rate., Rad predstavlja sintezu višegodišnjih istraživanja navodnjavanja kišenjem mobilnim linearnim uređajem nekih ratarskih i povrtarskih useva. Program istraživanja je obuhvatio analizu parametara koji utiču na ravnomernost navodnjavanja mobilnog linearnog sistema. Cilj istraživanja je utvrđivanje energetskih parametara, pokazatelja kvaliteta rada i njihovog uticaja na ravnomernost navodnjavanja prema zadatoj normi.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Energy and distributions parameters of linear irrigation system, Energetski i distribucioni parametri linearnog sistema navodnjavanja",
pages = "55-47",
number = "3",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1903"
}
Miodragović, R., Petrović, D., Mileusnić, Z.,& Djević, M.. (2009). Energy and distributions parameters of linear irrigation system. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 34(3), 47-55.
https://hdl.handle.net/21.15107/rcub_agrospace_1903
Miodragović R, Petrović D, Mileusnić Z, Djević M. Energy and distributions parameters of linear irrigation system. in Poljoprivredna tehnika. 2009;34(3):47-55.
https://hdl.handle.net/21.15107/rcub_agrospace_1903 .
Miodragović, Rajko, Petrović, Dragan, Mileusnić, Zoran, Djević, Milan, "Energy and distributions parameters of linear irrigation system" in Poljoprivredna tehnika, 34, no. 3 (2009):47-55,
https://hdl.handle.net/21.15107/rcub_agrospace_1903 .

Energy consumption for different greenhouse constructions

Djević, Milan; Dimitrijević, Aleksandra

(Pergamon-Elsevier Science Ltd, Oxford, 2009)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/2061
AB  - In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated for four different double plastic covered greenhouses in Serbia region. Plastic coverings were introduced in this region as a mean of making the plant production more energy efficient. Additionally, as a means of lowering energy consumption, tunnel structures were proposed. in order to see whether the greenhouse structure influences energy consumption, four different double plastic covered greenhouses. Two tunnel types, 9 x 58 m and 8 x 25 m, one gutter-connected structure and multi-span plastic covered greenhouse. The gutter-connected structure was 2 x 7 m wide and 39 m long while the multi-span structure was 20 x 6.4 m wide and 42 m long. On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for multi-span greenhouse, 9.76 MJ/m(2). The highest energy consumption was obtained in tunnel, 9 x 58 m,13.93 MJ/m(2). The highest value for output-input ratio was calculated for multi-span greenhouse (0.29), followed by gutter-connected greenhouse (0.21), tunnel 9 x 58 m (0.17) and tunnel, 8 x 25 m (0.15). Results also show that energy productivity can be higher if multi-span greenhouse structures are used.
PB  - Pergamon-Elsevier Science Ltd, Oxford
T2  - Energy
T1  - Energy consumption for different greenhouse constructions
EP  - 1331
IS  - 9
SP  - 1325
VL  - 34
DO  - 10.1016/j.energy.2009.03.008
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "In this paper the influence of greenhouse construction on energy efficiency in winter lettuce production was estimated for four different double plastic covered greenhouses in Serbia region. Plastic coverings were introduced in this region as a mean of making the plant production more energy efficient. Additionally, as a means of lowering energy consumption, tunnel structures were proposed. in order to see whether the greenhouse structure influences energy consumption, four different double plastic covered greenhouses. Two tunnel types, 9 x 58 m and 8 x 25 m, one gutter-connected structure and multi-span plastic covered greenhouse. The gutter-connected structure was 2 x 7 m wide and 39 m long while the multi-span structure was 20 x 6.4 m wide and 42 m long. On the basis of lettuce production output and the energy input, specific energy input, energy output-input ratio and energy productivity were estimated. Results show that the lowest energy consumption was obtained for multi-span greenhouse, 9.76 MJ/m(2). The highest energy consumption was obtained in tunnel, 9 x 58 m,13.93 MJ/m(2). The highest value for output-input ratio was calculated for multi-span greenhouse (0.29), followed by gutter-connected greenhouse (0.21), tunnel 9 x 58 m (0.17) and tunnel, 8 x 25 m (0.15). Results also show that energy productivity can be higher if multi-span greenhouse structures are used.",
publisher = "Pergamon-Elsevier Science Ltd, Oxford",
journal = "Energy",
title = "Energy consumption for different greenhouse constructions",
pages = "1331-1325",
number = "9",
volume = "34",
doi = "10.1016/j.energy.2009.03.008"
}
Djević, M.,& Dimitrijević, A.. (2009). Energy consumption for different greenhouse constructions. in Energy
Pergamon-Elsevier Science Ltd, Oxford., 34(9), 1325-1331.
https://doi.org/10.1016/j.energy.2009.03.008
Djević M, Dimitrijević A. Energy consumption for different greenhouse constructions. in Energy. 2009;34(9):1325-1331.
doi:10.1016/j.energy.2009.03.008 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy consumption for different greenhouse constructions" in Energy, 34, no. 9 (2009):1325-1331,
https://doi.org/10.1016/j.energy.2009.03.008 . .
3
62
44
66

Energy analysis for greenhouse and open field tomato production

Djević, Milan; Dimitrijević, Aleksandra

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2009)

TY  - CONF
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1993
AB  - The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. Concerning the high energy consumption in greenhouse production a comparison with open filed tomato production was found to be interesting. Data used in the study were obtained form the experiment carried out on a private property, 140 km south from Belgrade. In the study, energy, values were calculated by multiplying the amount of inputs and outputs by the related energy conversion factors. The same tomato varieties were planted in open filed and in the greenhouse at the same time. The greenhouse used was gutter-connected double PE covered structure 21m wide and 250m long. According to energy output (yield per in 2) parameters for estimating tomato production energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy, productivity).
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering, Proceedings
T1  - Energy analysis for greenhouse and open field tomato production
EP  - 353
SP  - 347
VL  - 37
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1993
ER  - 
@conference{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. Concerning the high energy consumption in greenhouse production a comparison with open filed tomato production was found to be interesting. Data used in the study were obtained form the experiment carried out on a private property, 140 km south from Belgrade. In the study, energy, values were calculated by multiplying the amount of inputs and outputs by the related energy conversion factors. The same tomato varieties were planted in open filed and in the greenhouse at the same time. The greenhouse used was gutter-connected double PE covered structure 21m wide and 250m long. According to energy output (yield per in 2) parameters for estimating tomato production energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy, productivity).",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering, Proceedings",
title = "Energy analysis for greenhouse and open field tomato production",
pages = "353-347",
volume = "37",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1993"
}
Djević, M.,& Dimitrijević, A.. (2009). Energy analysis for greenhouse and open field tomato production. in Actual Tasks on Agricultural Engineering, Proceedings
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 37, 347-353.
https://hdl.handle.net/21.15107/rcub_agrospace_1993
Djević M, Dimitrijević A. Energy analysis for greenhouse and open field tomato production. in Actual Tasks on Agricultural Engineering, Proceedings. 2009;37:347-353.
https://hdl.handle.net/21.15107/rcub_agrospace_1993 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy analysis for greenhouse and open field tomato production" in Actual Tasks on Agricultural Engineering, Proceedings, 37 (2009):347-353,
https://hdl.handle.net/21.15107/rcub_agrospace_1993 .

Possibilities of using fruit processing residues as a fuel

Djević, Milan; Dimitrijević, Aleksandra

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2009)

TY  - CONF
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1989
AB  - Energy demand in the world and limited sources of fossil fuels impose larger amounts of renewable energies. Agriculture production can be very important factor as a renewable energy producer concerning large amounts of biomass from primary plant production. This potential, if used in a proper way can be very important source of energy. In recent times, besides primary plant production, fruit and plant processing industry has been recognized as potential source of energy regarding residues after processing. In that sense, aim of this paper was to estimate potential of food processing industry for producing biomass that can be used as fuel. As potentially good fruit species kernel and nut fruit species were analyzed. Results show that average annual amount of residues, from fruit industry, in Serbia, can not be neglected. This burning material however, call not be used as primary and only heat source. It must be combined with coal. In the case of good quality coal its daily, amount could be, approximately 30% lower. This is very significant fact considering today's energy consumption ill the region.
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering, Proceedings
T1  - Possibilities of using fruit processing residues as a fuel
EP  - 263
SP  - 257
VL  - 37
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1989
ER  - 
@conference{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "Energy demand in the world and limited sources of fossil fuels impose larger amounts of renewable energies. Agriculture production can be very important factor as a renewable energy producer concerning large amounts of biomass from primary plant production. This potential, if used in a proper way can be very important source of energy. In recent times, besides primary plant production, fruit and plant processing industry has been recognized as potential source of energy regarding residues after processing. In that sense, aim of this paper was to estimate potential of food processing industry for producing biomass that can be used as fuel. As potentially good fruit species kernel and nut fruit species were analyzed. Results show that average annual amount of residues, from fruit industry, in Serbia, can not be neglected. This burning material however, call not be used as primary and only heat source. It must be combined with coal. In the case of good quality coal its daily, amount could be, approximately 30% lower. This is very significant fact considering today's energy consumption ill the region.",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering, Proceedings",
title = "Possibilities of using fruit processing residues as a fuel",
pages = "263-257",
volume = "37",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1989"
}
Djević, M.,& Dimitrijević, A.. (2009). Possibilities of using fruit processing residues as a fuel. in Actual Tasks on Agricultural Engineering, Proceedings
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 37, 257-263.
https://hdl.handle.net/21.15107/rcub_agrospace_1989
Djević M, Dimitrijević A. Possibilities of using fruit processing residues as a fuel. in Actual Tasks on Agricultural Engineering, Proceedings. 2009;37:257-263.
https://hdl.handle.net/21.15107/rcub_agrospace_1989 .
Djević, Milan, Dimitrijević, Aleksandra, "Possibilities of using fruit processing residues as a fuel" in Actual Tasks on Agricultural Engineering, Proceedings, 37 (2009):257-263,
https://hdl.handle.net/21.15107/rcub_agrospace_1989 .

Optimization of mineral fertilizer storage systems regarding their physical properties

Djević, Milan; Dimitrijević, Aleksandra

(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2009)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1966
AB  - Proper choice and efficient utilization of various technological-technical application systems still has a significant importance concerning ecology, energy and economics in agriculture. Due to the predominant practice of using granulated mineral fertilizers an analysis of mineral fertilizer processing including its production, manipulation and application was made. Physical characteristics of mineral fertilizers and fertilizer reaction with the application systems are of outmost importance in storage, manipulation and fertilizer application system choice. This paper presents an analysis of the most important characteristics of mineral fertilizers: particle size, volume, friction angle, static and dynamic stability, coefficient of restitution and thermal velocity, as well as their influences on optimal storage and manipulation systems choice. .
AB  - Značaj mineralnih đubriva u savremenoj biljnoj proizvodnji kako u agrotehničkom tako i u ekološkom pogledu aktuelizuje izbor i efikasno korišćenje tehnološko-tehničkih sistema aplikacije. Dominantna praksa korišćenja čvrstih mineralnih đubriva (granulata) uslovila je celovitu analizu procesa mineralnih đubriva koji podrazumeva proizvodnju, manipulaciju i aplikaciju. Fizička svojstva mineralnih đubriva i njihova interakcija sa tehničkim sistemima aplikacije od presudnog su značaja za uspešnost skladištenja, manipulacije i same aplikacije ovih đubriva. Ovaj rad obuhvata analizu najznačajnijih osobina đubriva: veličinu čestica, zapreminsku masu, ugao trenja, statičku i dinamičku otpornost, koeficijent restitucije i terminalnu brzinu i njihov uticaj na tehničko-tehnološke sisteme skladištenja i manipulacije. .
PB  - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
T2  - Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP
T1  - Optimization of mineral fertilizer storage systems regarding their physical properties
T1  - Fizičke osobine đubriva kao faktor izbora tehnološko-tehničkog sistema skladištenja
EP  - 243
IS  - 3
SP  - 239
VL  - 13
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1966
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "Proper choice and efficient utilization of various technological-technical application systems still has a significant importance concerning ecology, energy and economics in agriculture. Due to the predominant practice of using granulated mineral fertilizers an analysis of mineral fertilizer processing including its production, manipulation and application was made. Physical characteristics of mineral fertilizers and fertilizer reaction with the application systems are of outmost importance in storage, manipulation and fertilizer application system choice. This paper presents an analysis of the most important characteristics of mineral fertilizers: particle size, volume, friction angle, static and dynamic stability, coefficient of restitution and thermal velocity, as well as their influences on optimal storage and manipulation systems choice. ., Značaj mineralnih đubriva u savremenoj biljnoj proizvodnji kako u agrotehničkom tako i u ekološkom pogledu aktuelizuje izbor i efikasno korišćenje tehnološko-tehničkih sistema aplikacije. Dominantna praksa korišćenja čvrstih mineralnih đubriva (granulata) uslovila je celovitu analizu procesa mineralnih đubriva koji podrazumeva proizvodnju, manipulaciju i aplikaciju. Fizička svojstva mineralnih đubriva i njihova interakcija sa tehničkim sistemima aplikacije od presudnog su značaja za uspešnost skladištenja, manipulacije i same aplikacije ovih đubriva. Ovaj rad obuhvata analizu najznačajnijih osobina đubriva: veličinu čestica, zapreminsku masu, ugao trenja, statičku i dinamičku otpornost, koeficijent restitucije i terminalnu brzinu i njihov uticaj na tehničko-tehnološke sisteme skladištenja i manipulacije. .",
publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad",
journal = "Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP",
title = "Optimization of mineral fertilizer storage systems regarding their physical properties, Fizičke osobine đubriva kao faktor izbora tehnološko-tehničkog sistema skladištenja",
pages = "243-239",
number = "3",
volume = "13",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1966"
}
Djević, M.,& Dimitrijević, A.. (2009). Optimization of mineral fertilizer storage systems regarding their physical properties. in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP
Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad., 13(3), 239-243.
https://hdl.handle.net/21.15107/rcub_agrospace_1966
Djević M, Dimitrijević A. Optimization of mineral fertilizer storage systems regarding their physical properties. in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP. 2009;13(3):239-243.
https://hdl.handle.net/21.15107/rcub_agrospace_1966 .
Djević, Milan, Dimitrijević, Aleksandra, "Optimization of mineral fertilizer storage systems regarding their physical properties" in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP, 13, no. 3 (2009):239-243,
https://hdl.handle.net/21.15107/rcub_agrospace_1966 .

Energy analysis for greenhouse and open field tomato production

Djević, Milan; Dimitrijević, Aleksandra

(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2009)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1963
AB  - The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. Concerning the high energy consumption in greenhouse production a comparison with open filed tomato production was found to be interesting. Data used in the study were obtained from the experiment carried out on a private property 140 km south from Belgrade. In the study, energy values were calculated by multiplying the amount of inputs and outputs by the related energy conversion factors. The same tomato varieties were planted in open filed and in the greenhouse at the same time. The greenhouse used was gutter-connected double PE covered structure 21 m wide and 250 m long. According to energy output (yield per m2) parameters for estimating tomato production energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy productivity).
AB  - Cilj ovog rada jeste analiza potrošnje energije u proizvodnji paradajza na otvorenom i u objektima zaštićenog prostora. Ispitivanje je obavljeno na privatnom imanju 120 km južno od Beograda. Paradajz je gajen na otvorenom polju i u dvobrodnom plasteniku pokrivenom dvostrukom PE folijom, dužine 250 m i širine 21 m. Na osnovu energetskih inputa i ostvarenog energetskog outputa utvrđene su energetska efikasnost, specifični energetski input i energetska produktivnost za oba tehnološko-tehnička sistema proizvodnje.
PB  - Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
T2  - Savremena poljoprivredna tehnika
T1  - Energy analysis for greenhouse and open field tomato production
T1  - Analiza potrošnje energije u proizvodnji paradajza na otvorenom polju i u objektima zaštićenog prostora
EP  - 175
IS  - 3
SP  - 169
VL  - 35
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1963
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. Concerning the high energy consumption in greenhouse production a comparison with open filed tomato production was found to be interesting. Data used in the study were obtained from the experiment carried out on a private property 140 km south from Belgrade. In the study, energy values were calculated by multiplying the amount of inputs and outputs by the related energy conversion factors. The same tomato varieties were planted in open filed and in the greenhouse at the same time. The greenhouse used was gutter-connected double PE covered structure 21 m wide and 250 m long. According to energy output (yield per m2) parameters for estimating tomato production energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy productivity)., Cilj ovog rada jeste analiza potrošnje energije u proizvodnji paradajza na otvorenom i u objektima zaštićenog prostora. Ispitivanje je obavljeno na privatnom imanju 120 km južno od Beograda. Paradajz je gajen na otvorenom polju i u dvobrodnom plasteniku pokrivenom dvostrukom PE folijom, dužine 250 m i širine 21 m. Na osnovu energetskih inputa i ostvarenog energetskog outputa utvrđene su energetska efikasnost, specifični energetski input i energetska produktivnost za oba tehnološko-tehnička sistema proizvodnje.",
publisher = "Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad",
journal = "Savremena poljoprivredna tehnika",
title = "Energy analysis for greenhouse and open field tomato production, Analiza potrošnje energije u proizvodnji paradajza na otvorenom polju i u objektima zaštićenog prostora",
pages = "175-169",
number = "3",
volume = "35",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1963"
}
Djević, M.,& Dimitrijević, A.. (2009). Energy analysis for greenhouse and open field tomato production. in Savremena poljoprivredna tehnika
Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad., 35(3), 169-175.
https://hdl.handle.net/21.15107/rcub_agrospace_1963
Djević M, Dimitrijević A. Energy analysis for greenhouse and open field tomato production. in Savremena poljoprivredna tehnika. 2009;35(3):169-175.
https://hdl.handle.net/21.15107/rcub_agrospace_1963 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy analysis for greenhouse and open field tomato production" in Savremena poljoprivredna tehnika, 35, no. 3 (2009):169-175,
https://hdl.handle.net/21.15107/rcub_agrospace_1963 .

Energy efficiency of the open filed and greenhouse tomato production

Djević, Milan; Dimitrijević, Aleksandra

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1904
AB  - The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE folia, 5 x 20 m and one gutter-connected double PE covered structure 21m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open filed and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses.
AB  - Obzirom na intenzivnost korišćenja paradajza u ljudskoj ishrani, za proizvođače je od izuzetnog značaja energetska, ekonomska i ekološka efikasnost proizvodnje. Obzirom da se paradajz gaji kako na otvorenom tako i u objektima zaštićenog prostora cilj istraživanja je bio analiza proizvodnje na otvorenom polju i u objektima zaštićenog prostora tunel i blok tipa sa aspekta potrošnje energije i energetske efikasnosti. Objekat tunel tipa dimenzija je 5 x 20 m i pokriven je dvostrukom 180μm PE UV IR folijom. Blok objekat je sa dva broda, dimenzija 21 x 250 m pokriven dvostrukom PE UV IR folijom. Rezultati ukazuju da se niža potrošnja energije po jedinici površine može očekivati na otvorenom, a da se, kada su objekti zaštićenog prostora u pitanju niža potrošnja energije može očekivati kod objekata veće specifične zapremine tj. objekata blok tipa.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Energy efficiency of the open filed and greenhouse tomato production
T1  - Energetska efikasnost proizvodnje paradajza na otvorenom i u objektima zaštićenog prostora različite konstrukcije
EP  - 45
IS  - 3
SP  - 39
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1904
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2009",
abstract = "The aim of this paper is to analyze energy patterns in open and greenhouse tomato production, since tomato is very important vegetable in human nutrition with tendency to be used whole year. The greenhouses used were one tunnel structure, covered with double PE folia, 5 x 20 m and one gutter-connected double PE covered structure 21m wide and 250m long. The results obtained lead to the conclusion that lower specific energy per production surface can be expected in conditions of the open filed and that, regarding the greenhouses lower value for energy consumption can be expected in case of multi-span greenhouses., Obzirom na intenzivnost korišćenja paradajza u ljudskoj ishrani, za proizvođače je od izuzetnog značaja energetska, ekonomska i ekološka efikasnost proizvodnje. Obzirom da se paradajz gaji kako na otvorenom tako i u objektima zaštićenog prostora cilj istraživanja je bio analiza proizvodnje na otvorenom polju i u objektima zaštićenog prostora tunel i blok tipa sa aspekta potrošnje energije i energetske efikasnosti. Objekat tunel tipa dimenzija je 5 x 20 m i pokriven je dvostrukom 180μm PE UV IR folijom. Blok objekat je sa dva broda, dimenzija 21 x 250 m pokriven dvostrukom PE UV IR folijom. Rezultati ukazuju da se niža potrošnja energije po jedinici površine može očekivati na otvorenom, a da se, kada su objekti zaštićenog prostora u pitanju niža potrošnja energije može očekivati kod objekata veće specifične zapremine tj. objekata blok tipa.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Energy efficiency of the open filed and greenhouse tomato production, Energetska efikasnost proizvodnje paradajza na otvorenom i u objektima zaštićenog prostora različite konstrukcije",
pages = "45-39",
number = "3",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1904"
}
Djević, M.,& Dimitrijević, A.. (2009). Energy efficiency of the open filed and greenhouse tomato production. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 34(3), 39-45.
https://hdl.handle.net/21.15107/rcub_agrospace_1904
Djević M, Dimitrijević A. Energy efficiency of the open filed and greenhouse tomato production. in Poljoprivredna tehnika. 2009;34(3):39-45.
https://hdl.handle.net/21.15107/rcub_agrospace_1904 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy efficiency of the open filed and greenhouse tomato production" in Poljoprivredna tehnika, 34, no. 3 (2009):39-45,
https://hdl.handle.net/21.15107/rcub_agrospace_1904 .

Influence of physical properties of fertilizer on spreaders working quality

Djević, Milan; Božić, Marija; Mileusnić, Zoran

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)

TY  - JOUR
AU  - Djević, Milan
AU  - Božić, Marija
AU  - Mileusnić, Zoran
PY  - 2009
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1900
AB  - Proper choice and efficient utilization of various technological-technical application systems still has a significant importance concerning ecology, energy and economy in agriculture. Due to the predominant practice of using granulated mineral fertilizers an analysis of mineral fertilizer processing including its production, manipulation and application was made. Physical and mechanical characteristics of mineral fertilizers and fertilizer reaction with the application systems are of outmost importance in fertilizer application system choice. Successful utilization of mineral fertilizers predominantly depends upon the interaction between mineral fertilizers physical-mechanical characteristics and the appropriate type of spreader. The aim of this paper was to analyze working quality of two centrifugal spreaders in relation to physical properties of applied fertilizers in the conditions of seed-bed preparation for corn seeding.
AB  - Značaj mineralnih đubriva u savremenoj biljnoj proizvodnji kako u agrotehničkom i ekološkom pogledu aktuelizuje izbor i efikasno korišćenje tehnološkotehnoloških sistema aplikacije. Dominantna praksa korišćenja čvrstih mineralnih đubriva (granulata) nameće celovitu analizu procesa mineralnih đubriva koji podrazumeva proizvodnju, manipulaciju i aplikaciju. Interakcija fizičko-mehaničkih svojstava mineralnih đubriva i tipa rasipača od presudnog je značaja za uspešnost primene ovih đubriva. Cilj ovog rada bila je analiza kvaliteta rada centrifugalnih aparata u kontekstu fizičko-mehaničkih osobina primenjenih đubriva. Ispitivanjem su obuhvaćena dva rasipača centrifugalnog tipa tokom predsetvene pripreme za setvu kukuruza.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Influence of physical properties of fertilizer on spreaders working quality
T1  - Uticaj fizičkih osobina mineralnih đubriva na efikasnost aplikacije
EP  - 141
IS  - 2
SP  - 133
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1900
ER  - 
@article{
author = "Djević, Milan and Božić, Marija and Mileusnić, Zoran",
year = "2009",
abstract = "Proper choice and efficient utilization of various technological-technical application systems still has a significant importance concerning ecology, energy and economy in agriculture. Due to the predominant practice of using granulated mineral fertilizers an analysis of mineral fertilizer processing including its production, manipulation and application was made. Physical and mechanical characteristics of mineral fertilizers and fertilizer reaction with the application systems are of outmost importance in fertilizer application system choice. Successful utilization of mineral fertilizers predominantly depends upon the interaction between mineral fertilizers physical-mechanical characteristics and the appropriate type of spreader. The aim of this paper was to analyze working quality of two centrifugal spreaders in relation to physical properties of applied fertilizers in the conditions of seed-bed preparation for corn seeding., Značaj mineralnih đubriva u savremenoj biljnoj proizvodnji kako u agrotehničkom i ekološkom pogledu aktuelizuje izbor i efikasno korišćenje tehnološkotehnoloških sistema aplikacije. Dominantna praksa korišćenja čvrstih mineralnih đubriva (granulata) nameće celovitu analizu procesa mineralnih đubriva koji podrazumeva proizvodnju, manipulaciju i aplikaciju. Interakcija fizičko-mehaničkih svojstava mineralnih đubriva i tipa rasipača od presudnog je značaja za uspešnost primene ovih đubriva. Cilj ovog rada bila je analiza kvaliteta rada centrifugalnih aparata u kontekstu fizičko-mehaničkih osobina primenjenih đubriva. Ispitivanjem su obuhvaćena dva rasipača centrifugalnog tipa tokom predsetvene pripreme za setvu kukuruza.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Influence of physical properties of fertilizer on spreaders working quality, Uticaj fizičkih osobina mineralnih đubriva na efikasnost aplikacije",
pages = "141-133",
number = "2",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1900"
}
Djević, M., Božić, M.,& Mileusnić, Z.. (2009). Influence of physical properties of fertilizer on spreaders working quality. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 34(2), 133-141.
https://hdl.handle.net/21.15107/rcub_agrospace_1900
Djević M, Božić M, Mileusnić Z. Influence of physical properties of fertilizer on spreaders working quality. in Poljoprivredna tehnika. 2009;34(2):133-141.
https://hdl.handle.net/21.15107/rcub_agrospace_1900 .
Djević, Milan, Božić, Marija, Mileusnić, Zoran, "Influence of physical properties of fertilizer on spreaders working quality" in Poljoprivredna tehnika, 34, no. 2 (2009):133-141,
https://hdl.handle.net/21.15107/rcub_agrospace_1900 .

Direct energy input structure in mercantile corn production

Mileusnić, Zoran; Djević, Milan; Miodragović, Rajko; Petrović, Dragan

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)

TY  - JOUR
AU  - Mileusnić, Zoran
AU  - Djević, Milan
AU  - Miodragović, Rajko
AU  - Petrović, Dragan
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1733
AB  - In this paper structure direct energy input in mercantile corn production is presented with special review on: energy consumption for tillage and seeding in different tillage technology as well as energy consumption for irrigation and harvesting. In these technologies only fuel was concerned as direct energy input. Its specific energy value of 42 MJ/kg was used for calculations. Obtain parameters can be used for optimization and rationalization of corn production.
AB  - U radu je prikazana struktura direktnih energetski inputa u proizvodnji merkantilnog kukuruza sa posebnim osvrtom na: uloženu energiju za osnovnu i dopunsku obradu zemljišta i setvu primenom različitih sistema i uloženu energiju za navodnjavanje i ubiranje. Ovi inputi su prikazani preko potrošnje goriva čija je toplotna moć 42 MJ/kg. Dobijenim parametrima se može izvršiti optimizacija i racionalizacija u proizvodnji kukuruza.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Direct energy input structure in mercantile corn production
T1  - Struktura direktnih energetskih inputa u proizvodnji merkantilnog kukuruza
EP  - 64
IS  - 3
SP  - 57
VL  - 33
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1733
ER  - 
@article{
author = "Mileusnić, Zoran and Djević, Milan and Miodragović, Rajko and Petrović, Dragan",
year = "2008",
abstract = "In this paper structure direct energy input in mercantile corn production is presented with special review on: energy consumption for tillage and seeding in different tillage technology as well as energy consumption for irrigation and harvesting. In these technologies only fuel was concerned as direct energy input. Its specific energy value of 42 MJ/kg was used for calculations. Obtain parameters can be used for optimization and rationalization of corn production., U radu je prikazana struktura direktnih energetski inputa u proizvodnji merkantilnog kukuruza sa posebnim osvrtom na: uloženu energiju za osnovnu i dopunsku obradu zemljišta i setvu primenom različitih sistema i uloženu energiju za navodnjavanje i ubiranje. Ovi inputi su prikazani preko potrošnje goriva čija je toplotna moć 42 MJ/kg. Dobijenim parametrima se može izvršiti optimizacija i racionalizacija u proizvodnji kukuruza.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Direct energy input structure in mercantile corn production, Struktura direktnih energetskih inputa u proizvodnji merkantilnog kukuruza",
pages = "64-57",
number = "3",
volume = "33",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1733"
}
Mileusnić, Z., Djević, M., Miodragović, R.,& Petrović, D.. (2008). Direct energy input structure in mercantile corn production. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 33(3), 57-64.
https://hdl.handle.net/21.15107/rcub_agrospace_1733
Mileusnić Z, Djević M, Miodragović R, Petrović D. Direct energy input structure in mercantile corn production. in Poljoprivredna tehnika. 2008;33(3):57-64.
https://hdl.handle.net/21.15107/rcub_agrospace_1733 .
Mileusnić, Zoran, Djević, Milan, Miodragović, Rajko, Petrović, Dragan, "Direct energy input structure in mercantile corn production" in Poljoprivredna tehnika, 33, no. 3 (2008):57-64,
https://hdl.handle.net/21.15107/rcub_agrospace_1733 .

The optimization of tractor-machinery systems for tillaging

Mileusnić, Zoran; Djević, Milan; Petrović, Dragan; Miodragović, Rajko

(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2008)

TY  - JOUR
AU  - Mileusnić, Zoran
AU  - Djević, Milan
AU  - Petrović, Dragan
AU  - Miodragović, Rajko
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1680
AB  - At present, tractor represent the major power unit in agricultural production and it is expected to remain so. Structure of tractor-machinery couples is influenced by crop production structure, soil structure, tractor conceptions and category, average surface area etc. This paper presents relevant parameters that define the structure of tractors-machinery couples in soil tillage, as well as the power consumption in these processes. These variables simultaneously represents the input data in optimizing the tractors-machinery systems in different variants of soil tillage technology. The aim of the paper is to optimize tractor systems.
AB  - Traktor predstavlja osnovu traktorsko-mašinskog agregata i osnovnu pogonsku jedinicu u savremenoj poljoprivrednoj proizvodnji. Smatra se da će tako ostati i u budućnosti. Na strukturu traktorsko-mašinskog agregata utiče niz parametara, od kojih su najvažniji: struktura setve, zemljišni uslovi, koncepcija i kategorija traktora, veličina poseda itd. U radu su definisani parametri koji utiču na strukturu traktorsko-mašinskih agregata za obradu zemljišta, kao i potrošnja energije u pomenutim procesima. Te veličine su istovremeno ulazni podaci za optimalizaciju traktorskih sistema u različitim varijantama tehnologije obrade zemljišta. Optimizacija traktorskih sistema za obradu zemljišta je cilj ovoga rada.
PB  - Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
T2  - Savremena poljoprivredna tehnika
T1  - The optimization of tractor-machinery systems for tillaging
T1  - Optimalizacija traktorsko-mašinskih sistema za obradu zemljišta
EP  - 108
IS  - 1-2
SP  - 97
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1680
ER  - 
@article{
author = "Mileusnić, Zoran and Djević, Milan and Petrović, Dragan and Miodragović, Rajko",
year = "2008",
abstract = "At present, tractor represent the major power unit in agricultural production and it is expected to remain so. Structure of tractor-machinery couples is influenced by crop production structure, soil structure, tractor conceptions and category, average surface area etc. This paper presents relevant parameters that define the structure of tractors-machinery couples in soil tillage, as well as the power consumption in these processes. These variables simultaneously represents the input data in optimizing the tractors-machinery systems in different variants of soil tillage technology. The aim of the paper is to optimize tractor systems., Traktor predstavlja osnovu traktorsko-mašinskog agregata i osnovnu pogonsku jedinicu u savremenoj poljoprivrednoj proizvodnji. Smatra se da će tako ostati i u budućnosti. Na strukturu traktorsko-mašinskog agregata utiče niz parametara, od kojih su najvažniji: struktura setve, zemljišni uslovi, koncepcija i kategorija traktora, veličina poseda itd. U radu su definisani parametri koji utiču na strukturu traktorsko-mašinskih agregata za obradu zemljišta, kao i potrošnja energije u pomenutim procesima. Te veličine su istovremeno ulazni podaci za optimalizaciju traktorskih sistema u različitim varijantama tehnologije obrade zemljišta. Optimizacija traktorskih sistema za obradu zemljišta je cilj ovoga rada.",
publisher = "Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad",
journal = "Savremena poljoprivredna tehnika",
title = "The optimization of tractor-machinery systems for tillaging, Optimalizacija traktorsko-mašinskih sistema za obradu zemljišta",
pages = "108-97",
number = "1-2",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1680"
}
Mileusnić, Z., Djević, M., Petrović, D.,& Miodragović, R.. (2008). The optimization of tractor-machinery systems for tillaging. in Savremena poljoprivredna tehnika
Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad., 34(1-2), 97-108.
https://hdl.handle.net/21.15107/rcub_agrospace_1680
Mileusnić Z, Djević M, Petrović D, Miodragović R. The optimization of tractor-machinery systems for tillaging. in Savremena poljoprivredna tehnika. 2008;34(1-2):97-108.
https://hdl.handle.net/21.15107/rcub_agrospace_1680 .
Mileusnić, Zoran, Djević, Milan, Petrović, Dragan, Miodragović, Rajko, "The optimization of tractor-machinery systems for tillaging" in Savremena poljoprivredna tehnika, 34, no. 1-2 (2008):97-108,
https://hdl.handle.net/21.15107/rcub_agrospace_1680 .

Energy efficiency of tomato production in heated and non-heated greenhouse

Djević, Milan; Dimitrijević, Aleksandra; Blažin, Slobodan

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2008)

TY  - CONF
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
AU  - Blažin, Slobodan
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1826
AB  - Greenhouse production is still among the most energy-consuming branches of agriculture. Producers are faced with high cost of the operations involved in greenhouse production processes (climate control, fertilizing, irrigation, etc). This is the reason why an optimal combination of energy inputs that will make this production more energy efficient needs to be found. This paper gives the methodology of estimating energy consumption based on all energy inputs in greenhouse production. Energy analysis is based on estimating energy inputs (direct and indirect), using their amount and equivalents, in referent plant production. According to energy output (yield per m 2) parameters for estimating greenhouse energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy productivity). Energy consumption was calculated for tomato production in heated and non heated greenhouse and the aim was do determine energy efficiency and to show its dependence on production technology.
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering
T1  - Energy efficiency of tomato production in heated and non-heated greenhouse
EP  - +
SP  - 497
VL  - 36
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1826
ER  - 
@conference{
author = "Djević, Milan and Dimitrijević, Aleksandra and Blažin, Slobodan",
year = "2008",
abstract = "Greenhouse production is still among the most energy-consuming branches of agriculture. Producers are faced with high cost of the operations involved in greenhouse production processes (climate control, fertilizing, irrigation, etc). This is the reason why an optimal combination of energy inputs that will make this production more energy efficient needs to be found. This paper gives the methodology of estimating energy consumption based on all energy inputs in greenhouse production. Energy analysis is based on estimating energy inputs (direct and indirect), using their amount and equivalents, in referent plant production. According to energy output (yield per m 2) parameters for estimating greenhouse energy efficiency were calculated (energy input per kg of product, energy out/in ratio and energy productivity). Energy consumption was calculated for tomato production in heated and non heated greenhouse and the aim was do determine energy efficiency and to show its dependence on production technology.",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering",
title = "Energy efficiency of tomato production in heated and non-heated greenhouse",
pages = "+-497",
volume = "36",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1826"
}
Djević, M., Dimitrijević, A.,& Blažin, S.. (2008). Energy efficiency of tomato production in heated and non-heated greenhouse. in Actual Tasks on Agricultural Engineering
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 36, 497-+.
https://hdl.handle.net/21.15107/rcub_agrospace_1826
Djević M, Dimitrijević A, Blažin S. Energy efficiency of tomato production in heated and non-heated greenhouse. in Actual Tasks on Agricultural Engineering. 2008;36:497-+.
https://hdl.handle.net/21.15107/rcub_agrospace_1826 .
Djević, Milan, Dimitrijević, Aleksandra, Blažin, Slobodan, "Energy efficiency of tomato production in heated and non-heated greenhouse" in Actual Tasks on Agricultural Engineering, 36 (2008):497-+,
https://hdl.handle.net/21.15107/rcub_agrospace_1826 .

Energy Consumption for Different Greenhouse Constructions

Djević, Milan; Dimitrijević, Aleksandra

(International Society Horticultural Science, Leuven 1, 2008)

TY  - CONF
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1774
AB  - In this paper influence of greenhouse structure was estimated for four different double plastic covered greenhouses in winter lettuce production in Serbia region. Plastic coverings were introduced as mean of making this kind of plant production more efficient. Also, as a mean of lowering energy consumption, tunnel structures were proposed. Four different double plastic covered greenhouses were used for energy analysis. Two tunnel types, 9 x 58 m and 8 x 25 m covered with double PE folia, and two gutter connected plastic covered greenhouses. One greenhouse was 2 x 7 m wide and 39 m long and the other 20 x 6.4 in wide and 42 m long. The method used, is based on energy input analysis (definition of direct and indirect energy inputs), energy consumption for given plant production, and energy efficiency. On the basis of lettuce production output (kg of lettuce) and energy input, energy input/kg of product, energy out/in ratio and energy productivity were estimated. Results show lowest energy consumption for gutter connected greenhouses. Energy out/in ratio was also higher in gutter connected greenhouse. Highest energy consumption was obtained in tunnel greenhouse 8 x 25m.
PB  - International Society Horticultural Science, Leuven 1
C3  - Proceedings of the International Symposium on High Technology for Greenhouse System Management, Vols
T1  - Energy Consumption for Different Greenhouse Constructions
EP  - 786
IS  - 801
SP  - 781
DO  - 10.17660/ActaHortic.2008.801.91
ER  - 
@conference{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2008",
abstract = "In this paper influence of greenhouse structure was estimated for four different double plastic covered greenhouses in winter lettuce production in Serbia region. Plastic coverings were introduced as mean of making this kind of plant production more efficient. Also, as a mean of lowering energy consumption, tunnel structures were proposed. Four different double plastic covered greenhouses were used for energy analysis. Two tunnel types, 9 x 58 m and 8 x 25 m covered with double PE folia, and two gutter connected plastic covered greenhouses. One greenhouse was 2 x 7 m wide and 39 m long and the other 20 x 6.4 in wide and 42 m long. The method used, is based on energy input analysis (definition of direct and indirect energy inputs), energy consumption for given plant production, and energy efficiency. On the basis of lettuce production output (kg of lettuce) and energy input, energy input/kg of product, energy out/in ratio and energy productivity were estimated. Results show lowest energy consumption for gutter connected greenhouses. Energy out/in ratio was also higher in gutter connected greenhouse. Highest energy consumption was obtained in tunnel greenhouse 8 x 25m.",
publisher = "International Society Horticultural Science, Leuven 1",
journal = "Proceedings of the International Symposium on High Technology for Greenhouse System Management, Vols",
title = "Energy Consumption for Different Greenhouse Constructions",
pages = "786-781",
number = "801",
doi = "10.17660/ActaHortic.2008.801.91"
}
Djević, M.,& Dimitrijević, A.. (2008). Energy Consumption for Different Greenhouse Constructions. in Proceedings of the International Symposium on High Technology for Greenhouse System Management, Vols
International Society Horticultural Science, Leuven 1.(801), 781-786.
https://doi.org/10.17660/ActaHortic.2008.801.91
Djević M, Dimitrijević A. Energy Consumption for Different Greenhouse Constructions. in Proceedings of the International Symposium on High Technology for Greenhouse System Management, Vols. 2008;(801):781-786.
doi:10.17660/ActaHortic.2008.801.91 .
Djević, Milan, Dimitrijević, Aleksandra, "Energy Consumption for Different Greenhouse Constructions" in Proceedings of the International Symposium on High Technology for Greenhouse System Management, Vols, no. 801 (2008):781-786,
https://doi.org/10.17660/ActaHortic.2008.801.91 . .

Integrated pest management in greenhouse production

Djević, Milan; Dimitrijević, Aleksandra

(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1739
AB  - Highly intensive greenhouse production can't be imagined without permanent control and surveliance of production conditions and plant health. Concerning regulations limitating the presence of pesticide and minimizing the impact of overall program on the environment, most producers are accepting integrated pest management (IPM) as a concept of plant protection. Main parts of this concept are prevention, surveillance and control. Covering materials and insect screens, UV lamps and sticky traps are proposed as a method for insect exclusion from greenhouses. The aim of this paper is to show the possibilities and effects of using UV absorbing materials. Criteria for insect screen selection are also presented together with possibilities of UV lamp usage in eliminating insects from greenhouses. The influence of applying IPM concept on energy consumption and chemicals savings in production processes is given.
AB  - Visoko intenzivna biljna proizvodnja u zaštićenom prostoru podrazumeva stalnu kontrolu i praćenje proizvodnih uslova i zdravstvenog stanja useva. Obzirom na sve strožije regulative o primeni hemijskih zaštitnih sredstava, zatim na otpornost insekata na određene pesticide, na sve strožije kriterijume potrošača u smislu zdravstveno bezbedne hrane, poljoprivredni proizvođači se, sve češće, opredeljuju za koncept integralne zaštite bilja. U osnovi ovog koncepta, u objektima zaštićenog prostora, su prevencija, praćenje i kontrola. Kao mogući načini prevencije primenljivi su pokrivni materijali i mreže protiv insekata, i, kao metode mehaničkog odstranjenja insekata iz objekata, lepljive trake različitih boja i UV lampe. Cilj ovog rada je da prikaže mogućnosti i efekte korišćenja UV apsorbujućih pokrivnih materijala, zatim da analizira kriterijume izbora mreža protiv insekata i mogućnost primene specijalnih UV apsorbujućih lampi u smanjenju broja insekata u objektu a samim tim i uticaj navedenih tehnologija na potrošnju hemijskih zaštitnih sredstava i energetski bilans biljne proizvodnje u zaštićenom prostoru.
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd
T2  - Poljoprivredna tehnika
T1  - Integrated pest management in greenhouse production
T1  - Metode integralne zaštite bilja u objektima zaštićenog prostora
EP  - 31
IS  - 3
SP  - 25
VL  - 33
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1739
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2008",
abstract = "Highly intensive greenhouse production can't be imagined without permanent control and surveliance of production conditions and plant health. Concerning regulations limitating the presence of pesticide and minimizing the impact of overall program on the environment, most producers are accepting integrated pest management (IPM) as a concept of plant protection. Main parts of this concept are prevention, surveillance and control. Covering materials and insect screens, UV lamps and sticky traps are proposed as a method for insect exclusion from greenhouses. The aim of this paper is to show the possibilities and effects of using UV absorbing materials. Criteria for insect screen selection are also presented together with possibilities of UV lamp usage in eliminating insects from greenhouses. The influence of applying IPM concept on energy consumption and chemicals savings in production processes is given., Visoko intenzivna biljna proizvodnja u zaštićenom prostoru podrazumeva stalnu kontrolu i praćenje proizvodnih uslova i zdravstvenog stanja useva. Obzirom na sve strožije regulative o primeni hemijskih zaštitnih sredstava, zatim na otpornost insekata na određene pesticide, na sve strožije kriterijume potrošača u smislu zdravstveno bezbedne hrane, poljoprivredni proizvođači se, sve češće, opredeljuju za koncept integralne zaštite bilja. U osnovi ovog koncepta, u objektima zaštićenog prostora, su prevencija, praćenje i kontrola. Kao mogući načini prevencije primenljivi su pokrivni materijali i mreže protiv insekata, i, kao metode mehaničkog odstranjenja insekata iz objekata, lepljive trake različitih boja i UV lampe. Cilj ovog rada je da prikaže mogućnosti i efekte korišćenja UV apsorbujućih pokrivnih materijala, zatim da analizira kriterijume izbora mreža protiv insekata i mogućnost primene specijalnih UV apsorbujućih lampi u smanjenju broja insekata u objektu a samim tim i uticaj navedenih tehnologija na potrošnju hemijskih zaštitnih sredstava i energetski bilans biljne proizvodnje u zaštićenom prostoru.",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd",
journal = "Poljoprivredna tehnika",
title = "Integrated pest management in greenhouse production, Metode integralne zaštite bilja u objektima zaštićenog prostora",
pages = "31-25",
number = "3",
volume = "33",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1739"
}
Djević, M.,& Dimitrijević, A.. (2008). Integrated pest management in greenhouse production. in Poljoprivredna tehnika
Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd., 33(3), 25-31.
https://hdl.handle.net/21.15107/rcub_agrospace_1739
Djević M, Dimitrijević A. Integrated pest management in greenhouse production. in Poljoprivredna tehnika. 2008;33(3):25-31.
https://hdl.handle.net/21.15107/rcub_agrospace_1739 .
Djević, Milan, Dimitrijević, Aleksandra, "Integrated pest management in greenhouse production" in Poljoprivredna tehnika, 33, no. 3 (2008):25-31,
https://hdl.handle.net/21.15107/rcub_agrospace_1739 .

Possibilities of using fruit processing residues as burning material

Djević, Milan; Dimitrijević, Aleksandra; Blažin, Dragan; Blažin, Slobodan

(Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad, 2008)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
AU  - Blažin, Dragan
AU  - Blažin, Slobodan
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1726
AB  - Energy demand in the world and limited sources of fossil fuels impose larger amounts of renewable energies. Agriculture production can be very important factor as a renewable energy producer concerning a large demands of biomass from primary plant production. This potential, if used in a proper way can be very important source of energy. In recent times, beside primary plant production, fruit and plant processing industry has been recognized as potential source of energy regarding residues after processing. In that sense, aim of this paper as to estimate potential of food processing industry for producing biomass that can be used as burning material. As potentially good fruit species kernel and nut fruit species were analyzed. Results show that average annual amount of residues from fruit industry, in Serbia, can not be neglected. This burning material however, can not be used as primary and only heat source. It must be combined with coal. In the case of good quality coal its daily amount could be, approximately 30% lower. This is very significant fact considering today's energy consumption in the region.
AB  - Potrebe u energiji i iscrpljivanje rezervi fosilnih goriva nameću potrebu korišćenja obnovljivih izvora energije gde, u uslovima poljoprivredne proizvodnje biomasa zauzima najznačajnije mesto. Velike količine biomase iz poljoprivrede predstavljaju potencijal koji se može uspešno koristiti kao energetski izvor. U poslednje vreme se, pored primarne poljoprivredne proizvodnje kao glavnog izvora biomase, sve više razmišlja i o ostatcima iz prerađivačke industrije voća kao potencijalnom kvalitetnom izvoru. Ovaj problem do sada nije posebno razmatran te je cilj ovog rada da ukaže na potencijale prerađivačke industrije kao proizvođača biomase, zatim analiza energetskog potencijala ostataka iz prerade kao gorivog materijala. U radu su analizirane koštičave i jezgraste voćne vrste kao značajan izvor biomase koja se može iskoristiti kao gorivi materijal. Rezultati ukazuju da se prosečna godišnja količina ostataka iz prerađivačke industrije voća ne može zanemariti kao potencijalni gorivi materijal. Ipak, rezultati ukazuju da se ovaj materijal ne treba koristiti samostalno ali se njegovom kombinacijom sa ugljem, dnevne količine visokokvalitetnog uglja mogu smanjiti i za 30%. Ovo je veoma važan podatak uzimajući u obzir koliko se energije u Srbiji koristi samo za zagrevanje stambenog prostora i objekata različitih namena.
PB  - Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad
T2  - Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP
T1  - Possibilities of using fruit processing residues as burning material
T1  - Mogućnosti korišćenja ostataka iz prerade voća kao gorivnog materijala
EP  - 114
IS  - 3
SP  - 111
VL  - 12
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1726
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra and Blažin, Dragan and Blažin, Slobodan",
year = "2008",
abstract = "Energy demand in the world and limited sources of fossil fuels impose larger amounts of renewable energies. Agriculture production can be very important factor as a renewable energy producer concerning a large demands of biomass from primary plant production. This potential, if used in a proper way can be very important source of energy. In recent times, beside primary plant production, fruit and plant processing industry has been recognized as potential source of energy regarding residues after processing. In that sense, aim of this paper as to estimate potential of food processing industry for producing biomass that can be used as burning material. As potentially good fruit species kernel and nut fruit species were analyzed. Results show that average annual amount of residues from fruit industry, in Serbia, can not be neglected. This burning material however, can not be used as primary and only heat source. It must be combined with coal. In the case of good quality coal its daily amount could be, approximately 30% lower. This is very significant fact considering today's energy consumption in the region., Potrebe u energiji i iscrpljivanje rezervi fosilnih goriva nameću potrebu korišćenja obnovljivih izvora energije gde, u uslovima poljoprivredne proizvodnje biomasa zauzima najznačajnije mesto. Velike količine biomase iz poljoprivrede predstavljaju potencijal koji se može uspešno koristiti kao energetski izvor. U poslednje vreme se, pored primarne poljoprivredne proizvodnje kao glavnog izvora biomase, sve više razmišlja i o ostatcima iz prerađivačke industrije voća kao potencijalnom kvalitetnom izvoru. Ovaj problem do sada nije posebno razmatran te je cilj ovog rada da ukaže na potencijale prerađivačke industrije kao proizvođača biomase, zatim analiza energetskog potencijala ostataka iz prerade kao gorivog materijala. U radu su analizirane koštičave i jezgraste voćne vrste kao značajan izvor biomase koja se može iskoristiti kao gorivi materijal. Rezultati ukazuju da se prosečna godišnja količina ostataka iz prerađivačke industrije voća ne može zanemariti kao potencijalni gorivi materijal. Ipak, rezultati ukazuju da se ovaj materijal ne treba koristiti samostalno ali se njegovom kombinacijom sa ugljem, dnevne količine visokokvalitetnog uglja mogu smanjiti i za 30%. Ovo je veoma važan podatak uzimajući u obzir koliko se energije u Srbiji koristi samo za zagrevanje stambenog prostora i objekata različitih namena.",
publisher = "Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad",
journal = "Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP",
title = "Possibilities of using fruit processing residues as burning material, Mogućnosti korišćenja ostataka iz prerade voća kao gorivnog materijala",
pages = "114-111",
number = "3",
volume = "12",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1726"
}
Djević, M., Dimitrijević, A., Blažin, D.,& Blažin, S.. (2008). Possibilities of using fruit processing residues as burning material. in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP
Nacionalno društvo za procesnu tehniku i energetiku u poljoprivredi, Novi Sad., 12(3), 111-114.
https://hdl.handle.net/21.15107/rcub_agrospace_1726
Djević M, Dimitrijević A, Blažin D, Blažin S. Possibilities of using fruit processing residues as burning material. in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP. 2008;12(3):111-114.
https://hdl.handle.net/21.15107/rcub_agrospace_1726 .
Djević, Milan, Dimitrijević, Aleksandra, Blažin, Dragan, Blažin, Slobodan, "Possibilities of using fruit processing residues as burning material" in Časopis za procesnu tehniku i energetiku u poljoprivredi / PTEP, 12, no. 3 (2008):111-114,
https://hdl.handle.net/21.15107/rcub_agrospace_1726 .

Energy consumption for different greenhouses' structures

Djević, Milan; Dimitrijević, Aleksandra

(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2008)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1710
AB  - In this paper influence of greenhouses' structure was estimated for four different double plastic covered greenhouses in winter lettuce production. Plastic coverings are introduced as mean of making this kind of plant production more efficient. Also, as a mean of lowering energy consumption, the tunnel structures are proposed. Four different double plastic covered greenhouses were used for energy analysis. Two tunnel types, 9 x 58m and 8 x 25m covered with double PE folia, and two gutter connected plastic covered greenhouses. One greenhouse is 2 x 7 m wide and 39 m long and the other 20 x 6.4 m wide and 42 m long. Results have shown the lowest energy consumption for gutter connected greenhouses. Energy out/in ratio was also higher in gutter connected greenhouse. Highest energy consumption was obtained in tunnel greenhouse 8 x 25m.
AB  - Obzirom da je proizvodnja u zaštićenom prostoru grana poljoprivrede sa najvećom potrošnjom energije i najvišim godišnjim troškovima, proizvođačima se na tržištu nude različiti oblici konstrukcije, pre svega konstrukcije tunel tipa u varijantama sa jednostrukom i dvostrukom folijom, kao ekonomski i energetski najefikasniji. U radu su analizirani, sa aspekta potrošnje energije, najčešće korišćeni oblici konstrukcije objekata zaštićenog prostora na teritoriji Srbije. Analizirana su dva objekta tunel tipa, 9 x 58m and 8 x 25m pokrivena dvostrukom PE folijom i dva blok objekta takođe pokrivena dvostrukom PE folijom. Jedan od blok objekata je bio dvobrodni 2 x 7 m širine i 39 m dužine. Drugi blok objekat je bio 20 x 6.4 m širok i 42 m dug. Rezultati pokazuju da blok objekti imaju nižu specifičnu potrošnju energije u odnosu na objekte tunel tipa. Blok objekti su, samim tim, pokazali i najbolji stepen iskorišćenja energije. Najniža energetska efikasnost je zabeležena za najmanji tunel (8 x 25 m).
PB  - Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd
T2  - Journal of Agricultural Sciences (Belgrade)
T1  - Energy consumption for different greenhouses' structures
T1  - Potrošnja energije u objektima zaštićenog prostora
EP  - 78
IS  - 1
SP  - 71
VL  - 53
DO  - 10.2298/JAS0801071D
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra",
year = "2008",
abstract = "In this paper influence of greenhouses' structure was estimated for four different double plastic covered greenhouses in winter lettuce production. Plastic coverings are introduced as mean of making this kind of plant production more efficient. Also, as a mean of lowering energy consumption, the tunnel structures are proposed. Four different double plastic covered greenhouses were used for energy analysis. Two tunnel types, 9 x 58m and 8 x 25m covered with double PE folia, and two gutter connected plastic covered greenhouses. One greenhouse is 2 x 7 m wide and 39 m long and the other 20 x 6.4 m wide and 42 m long. Results have shown the lowest energy consumption for gutter connected greenhouses. Energy out/in ratio was also higher in gutter connected greenhouse. Highest energy consumption was obtained in tunnel greenhouse 8 x 25m., Obzirom da je proizvodnja u zaštićenom prostoru grana poljoprivrede sa najvećom potrošnjom energije i najvišim godišnjim troškovima, proizvođačima se na tržištu nude različiti oblici konstrukcije, pre svega konstrukcije tunel tipa u varijantama sa jednostrukom i dvostrukom folijom, kao ekonomski i energetski najefikasniji. U radu su analizirani, sa aspekta potrošnje energije, najčešće korišćeni oblici konstrukcije objekata zaštićenog prostora na teritoriji Srbije. Analizirana su dva objekta tunel tipa, 9 x 58m and 8 x 25m pokrivena dvostrukom PE folijom i dva blok objekta takođe pokrivena dvostrukom PE folijom. Jedan od blok objekata je bio dvobrodni 2 x 7 m širine i 39 m dužine. Drugi blok objekat je bio 20 x 6.4 m širok i 42 m dug. Rezultati pokazuju da blok objekti imaju nižu specifičnu potrošnju energije u odnosu na objekte tunel tipa. Blok objekti su, samim tim, pokazali i najbolji stepen iskorišćenja energije. Najniža energetska efikasnost je zabeležena za najmanji tunel (8 x 25 m).",
publisher = "Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd",
journal = "Journal of Agricultural Sciences (Belgrade)",
title = "Energy consumption for different greenhouses' structures, Potrošnja energije u objektima zaštićenog prostora",
pages = "78-71",
number = "1",
volume = "53",
doi = "10.2298/JAS0801071D"
}
Djević, M.,& Dimitrijević, A.. (2008). Energy consumption for different greenhouses' structures. in Journal of Agricultural Sciences (Belgrade)
Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd., 53(1), 71-78.
https://doi.org/10.2298/JAS0801071D
Djević M, Dimitrijević A. Energy consumption for different greenhouses' structures. in Journal of Agricultural Sciences (Belgrade). 2008;53(1):71-78.
doi:10.2298/JAS0801071D .
Djević, Milan, Dimitrijević, Aleksandra, "Energy consumption for different greenhouses' structures" in Journal of Agricultural Sciences (Belgrade), 53, no. 1 (2008):71-78,
https://doi.org/10.2298/JAS0801071D . .
2

Control of climatic condition inside greenhouses

Djević, Milan; Dimitrijević, Aleksandra; Blažin, Slobodan

(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2008)

TY  - JOUR
AU  - Djević, Milan
AU  - Dimitrijević, Aleksandra
AU  - Blažin, Slobodan
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1681
AB  - Climatic conditions in greenhouses are very important concerning plant growth and development. If adequate and accurate control is applied energy and labor saving can be obtained flowed by good quality products and higher yields. Successful greenhouse production is defined by four main factors - temperature, light, water content of the air and soil, and quality of air inside the objects. In this paper climatic conditions in greenhouses are analyzed and possibilities of their good control are given. Vertical and horizontal temperature distribution are shown for double plastic covered tunnel during tomato production. Values obtained show that temperature and air relative humidity variation in greenhouse, can be used for heating system projection and installation. Influence of air quality on time of picking and production quality is also shown.
AB  - Praćenje klimatskih parametara u objektima zaštićenog prostora veoma je značajan činilac uspešnosti biljne proizvodnje. Ukoliko se pravilno i dovoljno brzo reaguje na promenu mikroklimatskih parametara, mogu da se ostvare značajne uštede u energiji i ljudskom radu, što rezultira većom energetskom efikasnošću i kvalitetnijem proizvodu koji se iznosi na tržište. Faktori uspešnosti biljne proizvodnje u zaštićenom prostoru su temperatura, svetlost, vlažnost vazduha i zemljišta i sastav i kvalitet vazduha. U radu je data analiza klimatskih uslova u objektima zaštićenog prostora i mogućnost za njihovo praćenje i kontrolu. Analiziran je raspored temperatura u objektima i to po dužini, širini i visini objekta. Temperature su praćene u objektu tunel tipa, pokrivenom dvostrukom folijom, u vreme proizvodnje paradajza. Dobijene vrednosti temperature i relativne vlažnosti vazduha, koje pokazuje određena variranja mogu da posluže za kasnije projektovanje tehničkih sistema zagrevanja i njegovog postavljanja.
PB  - Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad
T2  - Savremena poljoprivredna tehnika
T1  - Control of climatic condition inside greenhouses
T1  - Kontrola mikroklimatskih parametara u objektima zaštićenog prostora
EP  - 39
IS  - 1-2
SP  - 32
VL  - 34
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1681
ER  - 
@article{
author = "Djević, Milan and Dimitrijević, Aleksandra and Blažin, Slobodan",
year = "2008",
abstract = "Climatic conditions in greenhouses are very important concerning plant growth and development. If adequate and accurate control is applied energy and labor saving can be obtained flowed by good quality products and higher yields. Successful greenhouse production is defined by four main factors - temperature, light, water content of the air and soil, and quality of air inside the objects. In this paper climatic conditions in greenhouses are analyzed and possibilities of their good control are given. Vertical and horizontal temperature distribution are shown for double plastic covered tunnel during tomato production. Values obtained show that temperature and air relative humidity variation in greenhouse, can be used for heating system projection and installation. Influence of air quality on time of picking and production quality is also shown., Praćenje klimatskih parametara u objektima zaštićenog prostora veoma je značajan činilac uspešnosti biljne proizvodnje. Ukoliko se pravilno i dovoljno brzo reaguje na promenu mikroklimatskih parametara, mogu da se ostvare značajne uštede u energiji i ljudskom radu, što rezultira većom energetskom efikasnošću i kvalitetnijem proizvodu koji se iznosi na tržište. Faktori uspešnosti biljne proizvodnje u zaštićenom prostoru su temperatura, svetlost, vlažnost vazduha i zemljišta i sastav i kvalitet vazduha. U radu je data analiza klimatskih uslova u objektima zaštićenog prostora i mogućnost za njihovo praćenje i kontrolu. Analiziran je raspored temperatura u objektima i to po dužini, širini i visini objekta. Temperature su praćene u objektu tunel tipa, pokrivenom dvostrukom folijom, u vreme proizvodnje paradajza. Dobijene vrednosti temperature i relativne vlažnosti vazduha, koje pokazuje određena variranja mogu da posluže za kasnije projektovanje tehničkih sistema zagrevanja i njegovog postavljanja.",
publisher = "Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad",
journal = "Savremena poljoprivredna tehnika",
title = "Control of climatic condition inside greenhouses, Kontrola mikroklimatskih parametara u objektima zaštićenog prostora",
pages = "39-32",
number = "1-2",
volume = "34",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1681"
}
Djević, M., Dimitrijević, A.,& Blažin, S.. (2008). Control of climatic condition inside greenhouses. in Savremena poljoprivredna tehnika
Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad., 34(1-2), 32-39.
https://hdl.handle.net/21.15107/rcub_agrospace_1681
Djević M, Dimitrijević A, Blažin S. Control of climatic condition inside greenhouses. in Savremena poljoprivredna tehnika. 2008;34(1-2):32-39.
https://hdl.handle.net/21.15107/rcub_agrospace_1681 .
Djević, Milan, Dimitrijević, Aleksandra, Blažin, Slobodan, "Control of climatic condition inside greenhouses" in Savremena poljoprivredna tehnika, 34, no. 1-2 (2008):32-39,
https://hdl.handle.net/21.15107/rcub_agrospace_1681 .

Results testing of mobile raining irrigation systems in crop production

Miodragović, Rajko; Djević, Milan

(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2008)

TY  - CONF
AU  - Miodragović, Rajko
AU  - Djević, Milan
PY  - 2008
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/1837
AB  - This paper provides the synthesis of a long lasting research of mobile raining irrigation systems in crop and vegetable production. The research included three types of mobile self-propelled rain guns and one linear representing both broadcasting and covering concepts. The paper is aimed at determining exploitation parameters and yielding effects in cropping. Field testing and exploitation monitoring in adequate seasonal use provided the indicators of energy consumption, productivity and work quality. The productivity of self-propelled rain guns ranged from 0.11 to 0.20 ha/h with energy consumption from 104 to 150.20 kWh/ha. The linear productivity ranged between 2.0 and 2.6 ha/h with energy consumption of 45.73 kWh/ha. Extremely significant yield increase was recorded in greenbeans, maize (corn, popcorn, sweet corn) and seed maize production in comparison with dry cropping alternative.
PB  - Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb
C3  - Actual Tasks on Agricultural Engineering
T1  - Results testing of mobile raining irrigation systems in crop production
EP  - 64
SP  - 57
VL  - 36
UR  - https://hdl.handle.net/21.15107/rcub_agrospace_1837
ER  - 
@conference{
author = "Miodragović, Rajko and Djević, Milan",
year = "2008",
abstract = "This paper provides the synthesis of a long lasting research of mobile raining irrigation systems in crop and vegetable production. The research included three types of mobile self-propelled rain guns and one linear representing both broadcasting and covering concepts. The paper is aimed at determining exploitation parameters and yielding effects in cropping. Field testing and exploitation monitoring in adequate seasonal use provided the indicators of energy consumption, productivity and work quality. The productivity of self-propelled rain guns ranged from 0.11 to 0.20 ha/h with energy consumption from 104 to 150.20 kWh/ha. The linear productivity ranged between 2.0 and 2.6 ha/h with energy consumption of 45.73 kWh/ha. Extremely significant yield increase was recorded in greenbeans, maize (corn, popcorn, sweet corn) and seed maize production in comparison with dry cropping alternative.",
publisher = "Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb",
journal = "Actual Tasks on Agricultural Engineering",
title = "Results testing of mobile raining irrigation systems in crop production",
pages = "64-57",
volume = "36",
url = "https://hdl.handle.net/21.15107/rcub_agrospace_1837"
}
Miodragović, R.,& Djević, M.. (2008). Results testing of mobile raining irrigation systems in crop production. in Actual Tasks on Agricultural Engineering
Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb., 36, 57-64.
https://hdl.handle.net/21.15107/rcub_agrospace_1837
Miodragović R, Djević M. Results testing of mobile raining irrigation systems in crop production. in Actual Tasks on Agricultural Engineering. 2008;36:57-64.
https://hdl.handle.net/21.15107/rcub_agrospace_1837 .
Miodragović, Rajko, Djević, Milan, "Results testing of mobile raining irrigation systems in crop production" in Actual Tasks on Agricultural Engineering, 36 (2008):57-64,
https://hdl.handle.net/21.15107/rcub_agrospace_1837 .