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Приказ резултата 21-30 од 1634
Effects of crop density on root yield and quality of sugar beet cultivars grown on the soil infested and uninfested by rhizomania / Uticaj gustine useva na prinos i kvalitet korena sorata šećerne repe gajenih na zaraženom i nezaraženom zemljištu rizomanijom
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2000)
During a two-year period (1996-1997) we conducted studies on the effects of crop density on root yield and quality of sugar beet cultivars, susceptible and tolerant to rhizomania, grown on the soil infested and uninfested ...
Qualitative and quantitative zooplankton composition in three rearing ponds of the "sv. Nikola" fish farm in the year 2000 / Kvalitativni i kvantitativni sastav zooplanktona u odgajivalištima ribnjaka "Sveti Nikola" tokom sezone gajenja u 2000. godini
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
During the fish rearing season in the year 2000, zooplankton investigations were carried out on "Sv. Nikola" the fish farm at Neuzina. Investigations were carried out on three rearing ponds with a semiintensive system ...
Sesquiterpene lactones and monoterpene glucosides from plant species Picris echoides / Seskviterpenski laktoni i monoterpenski glukozidi biljne vrste Picris echoides L.
(Srpsko hemijsko društvo, Beograd, 2000)
Investigation of the constituents of the aerial parts of domestic plant species Picris echoides afforded the sesquiterpene lactones, i.e., guaianolides jacquilenin (1), 11-epi-jacquilenin (2), achillin (3) and eudesmanolide ...
Possibilities of alternative types of aquaculture in the Serbia region / Mogućnosti alternativnih oblika akvakulture na području Srbije
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2001)
Contrary to world trends in aquaculture, where the production of different aquatic plants and animals is increasing, aquaculture in Serbia is restricted mainly to fish production in cold and warmwater ponds and to a lesser ...
Saprobiological investigations on the Pusta reke river using macrozoobenthos as bioindicator / Saprobiološka istraživanja Puste reke korišćenjem makrozoobentosa kao bioindikatora
(Zavod za zaštitu prirode, Beograd, 2001)
In the period from April, 1998 to January, 1999 we carried out saprobiological investigations on the Pusta Reka River using macroinvertebrates as bioindicators. The results show a low organic pollution (beta - mesosaprobitic ...
The application of atomic absorption spectrophotometry (AAS) for determination of the content of heavy metals in food products the in lacquered tinplate tins are filled with / Primena metode atomske apsorpcione spektrofotometrije (AAS) za određivanje sadržaja teških metala u prehrambenim proizvodima kojima su napunjene konzerve od lakiranog belog lima
(Univerzitet u Beogradu - Poljoprivredni fakultet, Beograd, 2000)
Due to possibility of contamination of food products caused by a rapid pollution of environment, as a consequence of incidents and accidents, it is necessary to exert a regular and systematic control of the content of heavy ...
Determination of limiting separation effects in membrane based air separation for perfectly mixed and cross flow patterns / Određivanje graničnih separacionih efekata pri membranskoj separaciji vazduha primenom modela idealnog mešanja i modela unakrsnog toka
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad, 2000)
The aim of this work is to investigate the single-stage separation of atmospheric air through silicone rubber membrane assuming cross-flow and ideal-mixing pattern. The novel graphical procedure for obtaining the permeate ...
Air pollution as result of photooxidants (ozone) originated in the troposphere / Zagađivanje vazduha kao rezultat nastajanja fotohemijskih oksidanata (ozona) u troposferi
(Zavod za zaštitu prirode, Beograd, 2000)
Ozone (O3) and peroxideacetyl-nitrate are the significant photooxidants. Tropospheric ozone, together with mixture of gases of nitrogen oxide NOX (N2O, NO, NO2), carbonhydrid (CH), SO2 and formaldehyde which are released ...
Selection and preparation of soil for vine growing in highlands / Izbor i priprema zemljišta u brdskom području za gajenje vinove loze
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2000)
In the present article, selection and preparation of soils for vine growing in highlands of Serbia have been studied, with a special stress on the selection and preparation of sloping grounds. It has been estimated that ...
Mite pests in floriculture practice in grenhouses II / Štetne grinje u proizvodnji cvetnih kultura i zatvorenom prostoru II - pljosnate grinje (Tenuipalpidae)
(Univerzitet u Novom Sadu - Poljoprivredni fakultet - Departman za zaštitu bilja i životne sredine "dr Pavla Vukasovića", Novi Sad, 2000)
In this article general morphological and bioecological characteristics of false spider mites (fam. Tenuipalpidae) are presented. Hosts and distribution, main diagnostic features, life span, symptoms, damage and control ...