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Приказ резултата 21-30 од 152
Optimisation of energy efficiency geothermal energy system for greenhouse heating / Energetska optimizacija sistema za korišćenje geotermalne energije za grejanje plastenika
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
Setting-up the right greenhouse environment is subject to complex requirements. Present conditions real time parameters are analyzed from the viewpoint of greenhouse heating and ventilation system demands in winter period. ...
The measurement of soil humidity / Merenje vlažnosti zemljišta
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
Because the humidity of soil is one of the essential factors that determine the optimal plant growth and crop production, this paper discusses in detail various techniques, methods and modes of the measurement of soil ...
The effect of ameliorative tillage on root development, weed control, morfological and productive properties sunflower and maize / Uticaj meliorativne obrade zemljišta na razvoj korenovog sistema, zakorovljenost, morfološke i produktivne osobine suncokreta i kukuruza
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
The paper deals with the effects of ameliorative tillage on the dynamics of some important productive morphologic characteristic in two crops sunflower and maize. The trial was carried-out at the Maize Research Institute ...
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 ...
Technical systems for agricultural and meliorative machinery cabs climatization / Tehnički sistemi za klimatizaciju kabina poljoprivrednih i meliorativnih mašina
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
In this paper are presented several types of A/C (Air Condition) systems for climatization of modern agricultural and meliorative machinery cabs. Systems are selected according to the applied cooling fluid, in purpose of ...
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 ...
Technological and technical aspects of mechanized fruit tree planting / Tehnološki i tehnički aspekti mehanizovane sadnje višegodišnjih zasada
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2008)
A good spatial distribution and adequate choice of the orchard establishment system will enable the application of mechanisation decreasing thereby the share of manpower in major labour processes and increasing simultaneously ...
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 ...
The effect of cultivation technology and type of substrate on the quality of origanum species seedlings / Uticaj tehnologije gajenja i tipa supstrata na kvalitet rasada origanum vrsta
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
Aimed at intensifying the production of medicinal, aromatic and seasoning herbs seedlings, researches were conducted in the glass house of the Faculty of Agriculture of Belgrade. The researches included classical production ...