Претраживање
Приказ резултата 1-10 од 30
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 ...
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 ...
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 ...
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 ...
Establishing the resistance of Myzus persicae (Sulzer) by molecular methods / Utvrđivanje rezistentnosti Myzus persicae (Sulzer) molekularnim metodama
(Srpsko biološko društvo, Beograd, i dr., 2008)
In two years of investigating resistance of the peach-potato aphid Myzus persicae (Sulzer) by molecular methods, several types of resistance were established in the majority of individuals from peach and tobacco in Serbia ...
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 ...
The hemp russet mite Aculops cannabicola (Farkas, 1960) (Acari: Eriophyoidea) found on Cannabis sativa L. in Serbia: Supplement to the description / Dopuna opisa rđaste grinje konoplje Aculops cannabicola (Farkas, 1960) (Acari: Eriophyoidea) nađene u Srbiji na Cannabis sativa L.
(Srpsko biološko društvo, Beograd, i dr., 2007)
The description of Aculops cannabicola (Farkas, 1960), a new species for the fauna of Serbia, is supplemented. The male and juveniles are described for the first time. This species was found as vagrants on leaves of hemp, ...
An invasive species of aphid, Prociphilus fraxinifolii (Hemiptera, Aphididae, Eriosomatinae), found in Serbia
(Srpsko biološko društvo, Beograd, i dr., 2007)
Effect of land use on group and fractional composition of humus in rendzina soils in Serbia / Uticaj načina korišćenja zemljišta na grupni i frakcioni sastav humusa u rendzinama Srbije
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2007)
The effect of land use on group and fractional composition of humus was examined in 13 rendzina profiles under forests, 12 profiles under grassland and 8 profiles under arable fields in different parts of Serbia where ...
Molecular characterization of the honeybee Apis mellifera carnica in Serbia / Molekularna karakterizacija medonosne pčele Apis mellifera carnica u Srbiji
(Srpsko biološko društvo, Beograd, i dr., 2009)
The sequences COI-COII of the mitochondrial DNA region in honeybee from four geographically distant regions in Serbia (Vršac, Knjaževac, Kraljevo, and Vranje) are analyzed. The research was conducted on eight different, ...