Pretraživanje
Prikaz rezultata 11-20 od 152
The effect of current tillage systems on grain yield of main field crops / Uticaj savremenih sistema obrade zemljišta na prinos važnijih ratarskih useva
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
On the basis of many investigations, it has been concluded that the future of agriculture development in the XXI century will imply sustainable agriculture as the alternative to the conventional agriculture. It is considered ...
Achieved volume of use agricultural mechanization as an element of decision-making in organizing mechanized process on agricultural farms / Ostvareni obim korišćenja sredstava poljoprivredne tehnike kao element za donošenje odluke pri organizovanju mehanizovanih procesa na poljoprivrednim gazdinstvima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
The paper presents a method to be based on known economic laws made the decision making that provides increased levels of economic efficiency of use of agricultural mechanization. It is one of the basic tasks necessary ...
Direct energy input structure in mercantile corn production / Struktura direktnih energetskih inputa u proizvodnji merkantilnog kukuruza
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
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 ...
Alternative propulsion of off road vehicles / Alternativni pogon na vanputnim vozilima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
The appliance of alternative propulsions on off road vehicles presents a very popular topic nowadays. Global rise in the price of fossil fuel and the actual global economic crisis contribute even more to the importance of ...
Numerical simulation of greenhouses heat load / Numerička simulacija toplotnog opterećenja plastenika
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
The paper described the process of solving partial differential equations of heat conduction in the walls of the building envelope by numerical discretization in order to determine the precise unsteady temperature fields ...
Influence of physical properties of fertilizer on spreaders working quality / Uticaj fizičkih osobina mineralnih đubriva na efikasnost aplikacije
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
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 ...
Air velocity fields distribution in tied cows building by different roof cooling fans working regimes / Raspored brzinskih polja vazduha u objektu za vezano držanje krava sa višerežimskim krovnim ventilatorima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Analysis of roof cooling fans function in several working regimes is presented. The main goal of the research was to define the influence of fan working regime on distribution of air velocity fields. During the different ...
Aspects of soil cultivation in orchards / Tehničko-tehnološki aspekti obrade ostataka rezidbe u voćnjacima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Highly intensive fruit production in both basic and supplemental soil cultivation, along with other agricultural practices was found to impact both growth and fertility of fruit trees. Favorable effects may be expected if ...
Wireless sensors in agriculture, current development and future perspective / Bežični senzori u poljoprivredi danas, i buduće perspektive primene
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
This paper presents an overview on recent development of wireless sensor technologies and standards for wireless communications as applied to wireless sensors. Examples of wireless sensors and sensor networks applied in ...
Factor influencing irrigation on slopes / Uticajni faktori navodnjavanja kišenjem na nagibima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2007)
Intensive plant production can not be imagined without irrigation. Support to this fact is that 18% of the total arable land in the world is irrigated, and the agricultural production from this area is equal to the total ...