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Приказ резултата 31-40 од 111
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 ...
Legislative framework and standards of organic production in Serbia and the European Union / Zakonodavni okvir i standardi organske proizvodnje u Srbiji i Evropskoj uniji
(Udruženje pravnika u privredi Srbije, Beograd, 2016)
Organic agriculture is considered as a sector that can contribute to the development of entrepreneurial spirit and initiate the development of not only the agrarian, but also the non-agricultural sector in rural areas. ...
The use of GIS methodology in jumping plant lice (Hemiptera: Psylloidae) studies in Serbia / Primena GIS metodologije u istraživanjima lisnih buva (Hemiptera: Psylloidea) u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2012)
Entomofaunistic studies contain a large number of data regarding the number of collected species, the number of individuals within species, time of collection, localities, species biology and morphology natural enemies and ...
Comparative morphological analysis of apple blister mite, Eriophyes mali nal.: A new pest in Serbia / Uporedna morfološka analiza eriofida plikastih gala lista jabuke, Eriophyes mali nal. - nove štetočine u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2014)
The apple blister mite, Eriophyes mali Nalepa, 1926 (Acari: Prostigmata: Eriophyoidea), has been recently found in Serbia as a new pest of apple. The history of its research, the results of a morphological analysis and ...
Ferruginous rhodochrosite from the deposit Stari Trg-Trepča, Serbia / Gvožđeviti rodohrozit iz ležišta Stari Trg-Trepča, Srbija
(Geozavod, Beograd, 2003)
Notable in the deposit Stari Trg-Trepča are, in addition to pure carbonate minerals, numerous isomorphous admixtures. The paper offers the results of investigations of rhodochrosite "rosettes" and reniform rhodochrosite ...
Formation of Fe rhodochrosite in a natural hydrothermal system from the aspect of thermodynamics / Termodinamičko razmatranje obrazovanja Fe rodohrozita u prirodnom hidrotemalnom sistemu
(Geozavod, Beograd, 2003)
The conditions of origin and stability in a natural hydrothermal system have been modeled thermodynamically on the basis of the chemical composition of rhodochrosite "rosettes" and reniform rhodochrosite from Stari Trg-Trepča. ...
Contents of mobile nickel in serpentine rankers of Serbia / Sadržaj mobilnog nikla u serpentintskim rankerima Srbije
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2005)
The paper presents the study results of the content of mobile Ni in serpentine rankers of Serbia. The samples were taken from seven wider locations (Zlatibor, Kopaonik, Miroč, Maljen, Bukovi, Suvobor and Bubanj Potok) in ...
Aphidiinae (Hymenoptera: Braconidae) of Serbia and Montenegro: Tritrophic interactions / Aphidiinae (Braconidae: Hymenoptera) Srbije i Crne gore - tritrofičke interakcije
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2012)
This study brings a list of original data of parasitic wasps from the subfamily Aphidiinae collected on the territory of Serbia and Montenegro associated with their aphid hosts and plants. Twenty-three genera and 122 species ...
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 ...