Претраживање
Приказ резултата 71-80 од 4902
Biological and ecological research of weeds in Serbia: Development, current status, perspectives / Biološka i ekološka proučavanja korova na području Srbije - razvoj, današnje stanje, perspektive
(Herbološko društvo Srbije, 2000)
Weed diversity is highly pronounced in the territory of Serbia. Of a total of 3, 272 registered vascular plant species in Serbia, weeds account for 1,008. Such a wide range of weeds has resulted in a significant diversity ...
Weed flora of natural grasslands in Serbia / Korovska flora prirodnih travnjaka Srbije
(Herbološko društvo Srbije, 2001)
Meadow and pasture weed flora in Serbia is surveyed and ecological analysis provided. The acquired data show a very high participation of weed species in grassland areas. Weeds accounted for over 50% of overall floristic ...
Negative consequences of foreign direct investments: Experiences from different countries / Negativni efekti stranih direktnih investicija - iskustva nekih zemalja
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2010)
According to theories on direct foreign investments and examples in practise, and using directions from normative and historic method, in this paper are analyzed negative consequences of foreign direct investments on ...
Quantitative analysis of genetic improvement of milk production phenotypes in Simmental cows / Kvantitativna analiza genetskog unapređenja fenotipova mlečnosti krava Simentalske rase
(Institut za stočarstvo, Beograd, 2009)
Results of the effect of direct and indirect selection on quantitative properties of milk production of first calving Simmental cows in Serbia, are presented in the paper. Analysis of quantitative phenotypic parameters was ...
Economic effects in tobacco seedlings' production / Ekonomski efekti u proizvodnji rasada duvana
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2008)
Production of occidental type of tobacco seedlings (Barley and Virginia) in our country, so far has been organized in traditional way. It considered tobacco seedlings production in semi hot hotbed, which has been heated ...
Antioxidants in beer and wine: The study of the antioxidant capacity / Antioksidansi piva i vina i određivanje njihovog antioksidativnog kapaciteta
(Društvo za ishranu Srbije, Beograd, 2010)
Since the beginning of the 1990s, a numerous epidemiological studies have been conducted to determine the correlation between consumption of food and beverages rich in phenolic compounds and reduction of the risk of ...
Microstructure evolution and phase transition in La/Mn doped barium titanate ceramics
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2010)
La/Mn codoped BaTiO3 with different La2O3 content, ranging from 0.1 to 5.0 at% La, was investigated regarding their microstructural and dielectric characteristics. The content of 0.05 at% Mn was constant in all investigated ...
Organska hrana - propisi u funkciji bezbednosti i kvaliteta sa osvrtom na održivi ekonomski razvoj
(Poslovna politika AD, Beograd, 2010)
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 ...