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Приказ резултата 21-30 од 30
Financing of Serbian agrarian economy in transition conditions / Finansiranje agroprivrede Srbije u uslovima tranzicije
(Društvo ekonomista Beograda, Beograd, 2006)
If we look back to the previous half century of agrarian economy development in Serbia, it could be concluded that financing problem of its reproduction has represented neuralgic point in almost whole mentioned period. ...
Bow-legged fir aphid Cinara curvipes (Patch) (Aphididae, Homoptera) new pest of Abies concolor in Serbia / Krivonoga jelina vaš Clnara curvipes (Patch) (Aphidide, Homoptera) nova štetočina dugoigličave jele u Srbiji
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2002)
During 2001 and 2002 in Novi Sad, the presence of Cinara curvipes (Patch) was observed on several Abies concolor trees and on individual branches of Cedrus atlantica. The finding is very interesting as this species is ...
Eriophyoid mites (Acari: Eriophyoidea) from sedges (Carex spp., Cyperaceae) in Serbia / Eriofide (Acari: Eriophyoidea) na oštricama (Carex sp., Cyperaceae) u Srbiji
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2007)
Six species of eriophyoid mites (Acari: Eriophyoidea) are recorded new to the fauna of Serbia: Phytoptus liroi Roivainen, 1947 and Ph. hirtae Roivainen 1950 (Phytoptidae, Phytoptinae); Novophytoptus rostratae Roivainen, ...
New Trichoptera (Insecta) for the fauna of Serbia / Nove vrste Trichoptera (Insecta) za faunu Srbije
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2006)
Thirteen species of Trichoptera new for the fauna of Serbia were identified during investigation of macrozoobenthos in the watershed of the Southern Morava River in the period from 1998 to 2003 and in the Trešnjica River ...
Natural enemies of Pseudaulacaspis pentagona Targioni -Tozzetti in Serbia / Prirodni neprijatelji Pseudaulacaspis pentagona Targioni -Tozzetti u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2008)
Five parasitoid and five predator species were registered on P. pentagona on 12 localities in Serbia and 27 in the area of Belgrade during 1997-2000. The parasitoid species registered were: Prospaltella berlesei (Howard), ...
Parasitoids and predators of armored scales in some orchards in Serbia / Parazitoidi i predatori štitastih vašiju iz familije Diaspididae u nekim voćnjacima u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2009)
Five parasitoid and five predator species were registered on four armored scale species in apple, pear, peach and plum orchards at 16 sites in Serbia. The armored scales found were: Diaspidiotus perniciosus (Comstock), ...
New records of helicopsyche bacescui (trichoptera, helicopsychidae) from the Balkan peninsula with notes on its habitat
(Hungarian Natural History Museum; Hungarian Academy of Sciences, 2009)
The species Helicopsyche bacescui in Europe has a disjunct area that is mainly situated south of 45 degrees N latitude and east of 22 degrees E longitude with an isolated smaller part in southwestern Hungary. Recent ...
State of the Art of Fishery in Serbia / Stanje ribarstva u Srbiji
(4. International Conference “Fishery” Faculty of Agriculture, Belgrade-Zemun, Serbia, May, 27 - 29., 2009)
Fishery in Serbia comprises of aquaculture and fishery.
Aquaculture in Serbia concerns fish culturing. For production of other aquatic animals, mainly ornamental plants and crayfish, only occasional interest and small ...
The influence of drainage canal network on groundwater regime in the catchment / Uticaj kanalske mreže za odvodnjavanje na režim podzemnih voda u slivu
(Jugoslovensko društvo za odvodnjavanje i navodnjavanje, Beograd, 2009)
Since the area of the southeastern Srem was extremely endangered by excess water, several drainage water systems had to be built. In order to define the efficiency of the drainage systems constructed in the fifties of the ...
Technical-technological aspects of using machines and tools for new technologies in plant production / Tehničko-tehnološki aspekti upotrebe mašina i oruđa za nove tehnologije u biljnoj proizvodnji
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2009)
Agricultural production is complex process and it depends of various factors which can be controlled. Many of them can be improved by using of various means which are not friendly for environment and health of people. It ...