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Now showing items 31-40 of 232
Economic effects of the application of new types of machines and tools for the arrangement of soil's surface and depth in wheat production / Ekonomski efekti primene mašina i oruđa za uređenje zemljišta po površini i dubini u proizvodnji pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
In market conditions of business operations the main criterion of successful agricultural production is achieved economic results. However, the question of preservation and rational use of natural resources, especially ...
Chicken fatling production hall ventilation system energy efficiency improvement with variable frequency control for fans / Frekventna regulacija rada ventilatora kao mera povećanja energetske efikasnosti sistema proizvodne hale farme tova pilića
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
In past few years there were a notable number of ventilation systems applications working with variable air volume (VAV). Accessibility, simplicity and low-cost of frequency regulation equipment implementation in ventilation ...
Integrated pest management in greenhouse production / Metode integralne zaštite bilja u objektima zaštićenog prostora
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
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 ...
Maintenance properties of domestically produced stone fruit tree shaker / Eksploatacioni parametri tresača koštičavog voća domaće proizvodnje
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2007)
Lasting several years of experiences in process of mechanical plum and sour cherry harvesting, together with technical solutions of foreign production, made us develop domestic technical solution. By technical advancing ...
Exploitational and energetic aspects of soil preparation for orchard establishment / Eksploatacioni i energetski aspekti pripreme zemljišta za podizanje višegodišnjih zasada
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2007)
Intensive soil preparation including both mechanical and human labor is required prior to the planting and establishment of orchards. Due to energy deficiency during the past years attention was focused on rational technology ...
Numerical prediction of natural ventilation flow field in livestock buildings / Numeričko predviđanje strujnog polja pri prirodnoj ventilaciji stočarskih objekata
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
This paper deals with three dimensional flow fields of livestock buildings prediction by numerical simulations and computational fluid dynamics - CFD. Flow field investigation is based on analysis of all relevant parameters ...
Optical sensors and their application to agricultural machines / Optički senzori i njihova primena na poljoprivrednim mašinama
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
In this paper are presented the characteristics and modes of construction of optical sensors, as well as typical measuring schemes with optical sensors. As an illustration of the application of optical sensors in agricultural ...
Influence of voltage quality on energy efficiency of induction motors in agriculture / Uticaj kvaliteta napona na energetsku efikasnost asinhronih motora u poljoprivredi
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Voltage quality of power supply for three-phased induction motors is defined with value of voltage, voltage asymmetry and harmonic distortion of voltage. In this paper, an influence of voltage quality on energy efficiency ...
Environmental consequences of plant utilization for energy / Ekološke posledice upotrebe biljaka za dobijanje energije
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2007)
Global food and fossil energy consumption are on trajectories to double by 2050. Fossil fuel use has pushed atmospheric carbon dioxide higher than at any time during the past half-million years. While fossil fuels still ...
Alternative small grains in organic field production / Organska proizvodnja alternativnih vrsta ozime pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2007)
The aim of this paper is to outline the potentional interests of alternative small grains as organic crop production. This paper deals with result of the effects organic field production on grain yield of different alternative ...