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Приказ резултата 61-70 од 231
Plant protection products in organic grapevine growing / Sredstva za zaštitu bilja u organskoj proizvodnji grožđa
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2010)
Pests and grapevine diseases in organic production are suppressed by preventive measures with a view to reducing the impact of the attack. Allowed substances acting on patogenous fungi, insects, mites and other harmful ...
Determination of fluoride content in drinking water and tea infusions using fluoride ion selective electrode / Određivanje sadržaja fluorida u vodi za piće i čajevima fluorid-selektivnom elektrodom
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2007)
Potentiometric analysis of fluoride content (as F- ion) in solutions by using fluoride ion-selective electrode is simple, reliable and cheap. Very small concentrations of fluoride-ions (to 10-6 mol/dm3) can be determined ...
Influence of different ventilation systems on inhalable and respirable dust particles concentrations distribution in weaning and finishing fattening pig houses / Proučavanje uticaja različitih ventilacionih sistema na raspodelu koncentracija čestica inhalabilne i respirabilne prašine u objektima za odgoj i završni tov svinja
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
The application of different mechanical extraction ventilation systems in reducing and controlling dust concentrations in weaned and finishing pig houses was analyzed and discussed in this work. Dust concentrations and ...
The effect of vegetation area size on grass seed yield / Uticaj veličine vegetacionog prostora na prinos semena trava
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
This paper surveys sowing norms (row spacing and seed rate) in both our country and the world, as well as the optimal seed rates in grass seed production. It gives a short overview of row spacings and seed rates applied ...
Importance of phenological observations and predictions in agriculture / Značaj fenoloških osmatranja i prognoziranja u poljoprivredi
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2005)
Phenology can contribute to many scientific disciplines from climate change, biodiversity, agriculture and forestry to human health. The knowledge of timing of phenological events and their variability can provide valuable ...
Analysis of drying potato kinetics in laboratory conditions / Ispitivanje kinetike sušenja krompira u laboratorijskim uslovima
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2005)
Chemistry is in its nature a fundamental science, but nowadays its results are increasingly used in practice. In such a way, many syntheses of important nutrition and industrial compounds (chemical technology), or destruction ...
Estimation of soil nitrogen availability / Ocena pristupačnosti zemljišnog azota
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2003)
Our research has been made on brown forest soil that is used in long-term experiments. The soil we used had a certain crop rotation (wheat-corn) and had been fertilized according to a certain system for 30 years. In the ...
Drainage system maintenance problems in the melioration region of VDP 'Južni Banat' / Problemi održavanja sistema za odvodnjavanje na meliorativnom području VDP 'Južni Banat'
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2004)
The aim of this paper is a case study of a melioration region, which will show the state of the channel network, as well as the scope of the implemented maintenance measures, which resulted in the reduced functionality of ...
Grape yield and quality of the grapevine cultivar limberger treated with plant growth regulators / Prinos i kvalitet grožđa sorte frankovka tretirane biljnim regulatorima rastenja
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2004)
The effects of foliar application of paclobutrasol (PK), chlorcholinechloride (CC) and gibberellic acid (GA3) on grape yield and quality of the grapevine cultivar Limberger were studied. PK and CC strongly inhibited shoot ...
Specific area of smonitzas of Aleksinac valley / Specifična površina smonica aleksinačke kotline
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2002)
In the present paper an estimation was given of total specific area (S) of very clayey soils of smonitza type in Central Serbia on the basis of the data on their textural composition and maximal hygroscopic moisture. Total ...