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Приказ резултата 31-40 од 302
The effect of the crop rotation on the weed floristic composition in winter wheat / Uticaj plodoreda na floristički sastav korova u ozimoj pšenici
(Savez poljoprivrednih inženjera i tehničara, Beograd, 2009)
The goal of a crop rotation is to create an unstable environment that discourages weeds from becoming established in the field. The paper deals with results on the crop rotation effects on weed synuzia including the weed ...
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 ...
Biotechnology and sustainable agriculture / Biotehnologija i održiva poljoprivreda
(Univerzitet u Nišu, Niš, 2009)
It is widely understood that agricultural production is based on the exploitation of natural, primarily biological, chemical and physical resources. Thus, the soil (lithosphere) represents the physical source, i.e. the ...
Organisational and economic factors of business conditions and results in a private enterprise / Organizaciono-ekonomske determinante uslova i rezultata poslovanja privatnog preduzeća
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2009)
The objective was to analyze the properties of organizational and economic conditions known to be the principal business indices of an enterprise in order to show the impact on technical and technological segments of ...
Effects of different MTBE concentration on seed germination and biomass of corn (Zea mays L.), wheat (Triticum aestivum L.) and alfalfa (Medicago sativa L.) / Uticaj MTBE-a na klijavost semena i biomasu kod kukuruza (Zea mays L.), pšenice (Triticum aestivum L.) i lucerke (Medicago sativa L.)
(Inženjersko društvo za koroziju, Beograd, 2009)
MTBE was introduced in production in 1970's in order to reduction of air pollution and replacing of toxic compounds from gasoline. After only a few years of its using, it becomes a one of important soil and water contaminant. ...
Spider mites (Tetranychoidea) pests of greenhouses / Grinje paučinari (Tetranychoidea) - štetočine u zaštićenom prostoru
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2009)
Mites are among the most important arthropods in greenhouses, both as pests causing economic injury to greenhouse crops and natural enemies used in the biological control of pest insects and mites in greenhouses. Spider ...
Hordein gene dose effects in triploid endosperm of barley (Hordeum vulgare L.) / Efekti doze gena kod hordeina u triploidnom endospermu ječma (Hordeum vulgare L.)
(Društvo genetičara Srbije, Beograd, 2009)
The presence of two maternal chromosome sets in triploid barley endosperm allows the distinction of maternal and paternal hordein bands in an electrophoregram: the maternal bands are stronger due to the higher gene dose. ...
Comparative overview of the results of the endurance riding in Serbia and New Zealand / Uporedni prikaz rezultata daljinskog jahanja u Srbiji i Novom Zelandu
(Institut PKB Agroekonomik, Padinska skela, 2009)
Endurance riding is a relatively young discipline in our country. Only by following our racing results, the results of the neighboring countries and the results achieved at the world races, as well as comparing these results ...
Comparative market analysis of world production and international fruit trading / Komparativna tržišna analiza svetske proizvodnje i međunarodnog prometa voća
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2009)
This paper contains a regional-comparative analysis of some of the most important indicators of the world production and international trading in fruit, as extremely significant in the diet and indispensable food product ...
Influence of a trout farm on macrozoobenthos communities of the Trešnjica river, Serbia / Uticaj pastrmskog ribnjaka na zajednice makrozoobentosa reke Trešnjice, Srbija
(Srpsko biološko društvo, Beograd, i dr., 2009)
Trout farming poses an increasing threat to quality of the water of clean highland streams. Research of this problem has focused primarily on changes in physico-chemical composition of the water and structure of the river ...