Претраживање
Приказ резултата 21-30 од 235
Estimation of mixer distribution trailer function quality JF-Stoll in preparation of TMR feed mixture for dairy cows / Ocena kvaliteta rada mikser distributer prikolice JF-Stoll u pripremi TMR obroka za muzne krave
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Quality of TMR feed homogenization and distribution is analyzed in this paper. TMR feed mixture for lactating cows feeding was prepared in vertical mixer distribution trailer JF- Stoll VM 8 1S. The mixture was consisted ...
Procedures for the preparation of pruning remains in orchards / Postupci pripreme ostataka rezidbe iz višegodišnjih zasada
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
Previous investigations have proved the fact that Serbia has a substantial renewable energy potential amounting to more than 3 million tons petrol equivalents annually. The share of biomass accounts for approx. 80% of the ...
A chaotic fixed investment rate growth model in the combine production / Haotični model rasta stope fiksnih investicija u proizvodnji kombajna
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
Chaos theory, as a set of ideas, attempts to reveal structure in aperiodic, unpredictable dynamic systems. Chaos embodies three important principles: (i) extreme sensitivity to initial conditions; (ii) cause and effect are ...
Air temperature and humidity variations in the tied cows house by different roof cooling fans working regimes / Promene temperature i vlažnosti vazduha u objektu za vezano držanje krava pri višestepenom režimu rada krovnih ventilatora
(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 inside air temperature and velocity. Those two are the main ...
The effect of tillage system, nitrogen level and cultivars on grain yield of winter wheat / Uticaj sistema obrade zemljišta, dopunske ishrane azotom i sorte na prinos ozime pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
This paper deals with result of the effects of low-input technology on grain yield of different winter wheat cultivars in investigated period (2003/04-2004/05) on the chernozem luvic soil type in Faculty of Agriculture ...
The technical-technological aspects of the appliance of new types of machines and tools for the arrangement of soil's depth and surface / Tehničko-tehnološki aspekti primene mašina i oruđa za uređenje zemljišta po površini i dubini
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
Soils with heavy mechanical type of composition demand a cultivation system that ensures preservation of natural potential and fertility resources. This system must also prevent degrading processes and ensure an optimal ...
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 ...
The influence of exploitation conditions of tractor to their reliability and lifetime / Uticaj uslova eksploatacije traktora na njegovu pouzdanost i radni vek
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
The influence of operational conditions on the reliability and tractor Massey- Ferguson 8160 service life is analyzed in the work. Experimental data have been provided by acquiring the operational parameters, malfunction ...
Exploitations parameters of maize seed harvesters / Eksploatacioni parametri kombajna za ubiranje semenskog kukuruza
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
Maize is one of the most important crops and one of the most significant naturally renewable energy source, but also numerous very different products. The maize seed production is much more complex, sensitive and expense ...
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 ...