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Monoterpenoids from Helminthia echoides
(Fitoterapia, 1998)
Macrozoobenthos in the Pusta Reka river, left tributary of the South Morava River / Makrozoobeitos Puste reke leve pritoke Južne Morave
(Srpsko biološko društvo, Beograd, i dr., 2001)
In the period from April 1998 to January 1999 macrozoobenthos of the Pusta Reka River was investigated. The Pusta Reka River is a principal water artery of the Pusta Reka region in southeastern Serbia. It originates from ...
The use of conservation tillage in maize and soybean double cropping productions / Primena konzervacijske obrade zemljišta u postrnoj proizvodnji kukuruza i soje
(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2001)
Adoption and improvement of different farming systems toward agricultural sustainability has a great social, economical and environmental importance. The base of sustainability is system productivity as ratio of output to ...
Tilth terrain on basis tractors category 40 kN / Obrada zemljišta na bazi traktora kategorije 40 kN
(Nacionalno naučno društvo za poljoprivrednu tehniku, Novi Sad, 2002)
Paper present results of testing and analysis of two tractors type category 40 kN in conditions differed tillage systems. Conventional and conservation tillage systems in clouded. Pulling characteristics analysis consider ...
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 ...
Disease intensity of some tomato viroses in Serbia
(Springer Heidelberg, Heidelberg, 2000)
In this paper rye present the data on the disease intensity of the tomato plants grown in glass and plastic-houses, and in the open field. The infection was caused by the following viruses: Tomato mosaic virus (ToMV), ...
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 ...