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Приказ резултата 1-10 од 12
Long term effects of the application of ameliorative tillage systems on heavy mechanical composition soils in crop production / Efekti produženog dejstva primene meliorativnog sistema obrade zemljišta teškog mehaničkog sastava u proizvodnji ratarskih kultura
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
There are around 400,000 hectares of soils with heavy mechanical composition, and the greatest part of the production area is under crops. The long term soil tillage by conventional methods (using plough) and a large number ...
Distribution of airborne dust particles in a tied-cows barn / Raspodela prašine u vazduhu staja za držanje krava
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Among others, an airborne dust particles concentration is a crucial microclimate quality parameter of each livestock building. Increasing the concentration of dust particles affects the indoor air quality and health of ...
Economically justified amount of investment in purchase of harvester at family farms / Ekonomski opravdan iznos ulaganja u kupovinu univerzalnog žitnog kombajna na porodičnim gazdinstvima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
In the paper is analyzed possibility of purchase of harvester at family farms. Therefore, enterprise budgeting and partial budgeting methods were used, as well as discounting methods for evaluation of economical efficiency ...
The effects of use self-propelled rain guns (typhone) in irrigation of corn (Zea mays L.) / Efekti primene tifon uređaja u navodnjavanju kukuruza (Zea mays L.)
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
The aim of this study was to use results of experimental work to analyse effects of maize irrigation and to quantify basic parameters that are included into exploitation costs of a long-ranged self-propelled sprayer, so ...
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 ...
Technical parameters and fan sprayer quality of vineyards / Tehnički parametri ventilatora orošivača i kvalitet zaštite vinograda
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
The technique of pesticide applications in viticulture, in most cases is characterized by dispersion method using air mistblowers fan. Application of this procedure essentially contributes to the quality of care and ...
Effects of mechanized method of liquid fertilizer application in corn production / Efekti mehanizovanog načina aplikacije tečnog startnog đubriva u proizvodnji kukuruza
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Conventional corn production assumes usage of standard inorganic fertilizers which can be added to the soil by different methods. Unlike conventional production, this research was conducted with assumption that by using ...
Effects of irrigation on yield and composition of principal elements of nutrients in maize-growing soil / Uticaj navodnjavanja na prinos i sadržaj glavnih elemenata ishrane u zemljištu pod kukuruzom
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Extensive organic production under irrigation conditions requires greater amounts of NPK fertilisers. Furthermore, the mobility of fertilisers, especially of nitrogen, is greater under the increased soil moisture content, ...
A chaotic profit growth model in the agricultural machines production / Haotični model rasta profita u proizvodnji poljoprivrednih mašina
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
The basic aim of this paper is to provide a relatively simple profit growth model in the agricultural machines production that is capable of generating stable equilibria, cycles, or chaos. A key hypothesis of this work is ...
Energy potential of products of fruit and grape plantations pruning in Serbia / Energetski potencijal produkata rezidbe voćarskih i vinogradarskih zasada Srbije
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2012)
Modern technologies of the fruit and wine production include implementation of the intensive plantation pruning where the accumulated considerable amounts of plant biomass residue have significant environmental and energy ...