Претраживање
Приказ резултата 1-10 од 86
Factor analysis of milk production on selected farms in Zlatibor district / Analiza faktora proizvodnje mleka na odabranim gazdinstvima Zlatiborskog okruga
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2011)
This paper analyzes the main factors of milk production in dairy farms of Zlatibor region. Along with the analysis of breeds composition and genetic potential for milk production, proposal for improvements are presented. ...
Taxes and stability of income growth in tractor production / Porezi i stabilnost rasta dohotka u proizvodnji traktora
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Chaos theory attempts to reveal structure in aperiodic, unpredictable dynamic systems. Deterministic chaos refers to irregular or chaotic motion that is generated by nonlinear systems. Chaos embodies three important ...
A chaotic agricultural machines production growth model / Haotični model rasta proizvodnje poljoprivrednih mašina
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2011)
Chaos theory, as a set of ideas, explains the structure in aperiodic, unpredictable dynamic systems. The basic aim of this paper is to provide a relatively simple agricultural machines production growth model that is capable ...
Productivity of hulles barley in organic and conventional cropping system / Produktivnost golozrnog ječma u organskom i konvencionalnom sistemu gajenja
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
There is rising interest for hulless barley use in human nutrition and industrial processing. Hulless barley is a relatively new cereal crop; the hulls of it can be separated from grain during threshing. This cereal has ...
Performance characteristics of the John Deere 5820 harvester used for preparing maize silage for dairy cattle on family farms / Eksplatacione karakteristike kombajna John Deere 5820 u pripremi kukuruzne silaže za muzne krave na porodičnim farmama
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
The research was conducted on commercial family farms in the region of Western Serbia. The objective of this study was to evaluate the performance characteristics and operating reliability of the used/old self-propelled ...
Different cooling fans operation regime influence on dust concentration distribution in tied cows house / Uticaj različitih režima rada krovnih ventilatora na raspored koncentracija prašine u objektu za vezano držanje krava
(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 airborne dust particles concentration. Dust concentration ...
Ameliorative tillage and subsequently effect on root development, weed control, morphological and productive winter wheat properties / Uticaj produžnog dejstva meliorativne obrade zemljišta na razvoj korenovog sistema, morfološke i produktivne osobine ozime pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
The paper deals with subsequently effect of ameliorative tillage on the dynamics of some important productive morphology and productive characteristic in winter wheat. The trial was carried-out at the Maize Research Institute ...
Defining of parameters for economical efficiency estimation of family dairy farms / Utvrđivanje parametara za ocenu ekonomske efikasnosti porodičnih farmi muznih krava
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Analysis of all significant parameters for the study of economical efficiency of investments in family farms is presented in this paper. The research included small family dairy farms of 50 dairy cows with the younger ...
Energy and distributions parameters of linear irrigation system / Energetski i distribucioni parametri linearnog sistema navodnjavanja
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
The paper is a synthesis of several years long research on rain irrigation with the mobile linear system, in some arable crops and vegetables. The research program included analysis of parameters that influence uniformity ...
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 ...