Претраживање
Приказ резултата 21-30 од 302
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 ...
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 ...
Outbreak, intensity of infestation and control of two new Eriophyids, Aceria oleae and Ahevtchenkella barensis, on olive nursery plants in Montenegro / Pojava, intenzitet napada i suzbijanje dvije nove vrste Eriofida, Aceria oleae i Shevtchenkella barensis na sadnicama masline u Crnoj Gori
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2009)
Only two species of eriophyoid mites, Ditrimacus athiasella Keifer and Oxycenus maxwelli (Keifer), have been registered in Montenegro until recently. Late in April 2007, chlorotic spots and deformations were found on apical ...
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 effect of the level of application of selection and breeding criteria as factors of sustainable sheep production on productive traits of sheep in extensive rearing system / Uticaj nivoa primene selekcijskih i odgajivačkih kriterijuma kao faktora održivog ovčarstva na proizvodne osobine ovaca u ekstenzivnom sistemu gajenja
(Institut za stočarstvo, Beograd, 2009)
For the purpose of realization of the project of development of sustainable sheep production systems, in this paper, the major influences on production parameters of sheep in conditions of Stara Planina Mountain are ...
Primena Rep-PCR i nekih klasičnih metoda u detekciji Xanthomonas arboricola pv. pruni
(Institut za zaštitu bilja i životnu sredinu, Beograd, 2009)
Xanthomonas arboricola pv. pruni represents economically very important pathogen of stone fruits worldwide. This bacterium has not been detected in Serbia, and therefore is considered quarantine pathogen in this country. ...
Characterization of Botrytis cinerea isolates from small fruits and grapevine in Serbia / Karakteristike izolata Botrytis cinerea iz jagodastih voćaka i vinove loze poreklom iz Srbije
(Srpsko biološko društvo, Beograd, i dr., 2009)
Twenty-six single-spore isolates of Botrytis cinerea from blackberry, raspberry, strawberry, and grapevine were investigated using transposable elements, morphological characterization, and sensitivity to fungicides. Both ...
The importance of physiological traits in wheat breeding under irrigation and drought stress / Značaj fizioloških svojstava u selekciji pšenice u uslovima navodnjavanja i stresa suše
(Društvo genetičara Srbije, Beograd, 2009)
The correlation analysis and the path coefficient analysis were applied to wheat data set with the objective to determine the effect of five physiological traits (early vigor, early maturity, leaf senescence, flag leaf ...
Sugar and organic acids profile in the fruits of black and red currant cultivars / Profil šećera i organskih kiselina u plodovima sorti crne i crvene ribizle
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
In this study, three black currant cultivars (Ben Sarek, Ben Lomond and Malling Juel) and three red currant cultivars (Industrija, Rondom and Red Versailles) were compared in terms of fruit quality by high-performance ...
Fruit set and pomological properties of oblačinska sour cherry clones following self- and open-pollination / Stepen zametanja i pomološka svojstva klonova oblačinske višnje pri slobodnom oprašivanju i samooprašivanju
(Savez poljoprivrednih inženjera i tehničara, Beograd, 2009)
Pollination and fertilization are necessary for the fruit set of sour cherry and other fruit species. Although Oblačinska sour cherry is a self-fertile cultivar, some results show that the fruit set is higher and fruit ...