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Prikaz rezultata 51-60 od 226
Determination of the milk cow barn yield value / Utvrđivanje prinosne vrijednosti staje za muzne krave
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2006)
The study stresses the importance of milk cow barns for the successful production of milk. The possibility of determining the economic efficiency of investments in the purchase of cow barn was shown by evaluating its yield ...
Use of plants for energy production / Upotreba biljaka za proizvodnju energije
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2006)
We can, beside food / fodder, produce different plants to obtain various forms of energy (electricity, heat, fuel) on the fields. All together with wood from forests and other sources, biomass is the biggest guarantee for ...
Feather loss in laying hens / Pojava gubitka perja kod kokoši nosilja
(Univerzitet u Beogradu - Fakultet veterinarske medicine, Beograd, 2006)
The paper examined the incidence of different forms of feather loss and cannibalism in laying hens aged 74 weeks following moulting and in laying hens following exploitation for a period of one year. The forms of feather ...
The content and ratio of adsorbed Ca and Mg in the serpentinite soils of Serbia / Sadržaj i odnos apsorbovanog Ca i Mg u serpentinitskim zemljištima Srbije
(Unija bioloških naučnih društava Jugoslavije, Beograd, 2006)
The contents of adsorbed Ca and Mg and their ratio (Ca/Mg) were researched in the serpentinite rankers of Serbia. The samples were taken from seven wider locations (Zlatibor, Kopaonik, Miroč, Maljen, Bukovi, Suvobor and ...
The B group vitamins and mineral elements in the selective removal of wheat kernel layers
(SAGE Publishing, 2006)
The objective of this study was to investigate how selective removal of the surface layers of whole wheat grains by abrasive scouring affects the distribution of mineral elements (macronutrients, micronutrients and trace ...
A new jumping plant louse, Cacopsylla ulmi Förster (Homoptera, Psyllidae), on elm in Serbia / Nova vrsta lisne buve Cacopsylla ulmi Förster (Homoptera, Psyllidae) na brestu u Srbiji
(Entomološko društvo Srbije, Beograd i Univerzitet u Beogradu - Biološki fakultet, 2006)
During investigations of jumping plant lice, Cacopsylla ulmi Först was found for the first time in Serbia on the elm Ulmus effusa Willd. The main morphological characteristics of the species, its biology and damage caused ...
Aphids and parasitolds on willows and poplars in southeastern Europe (Hornoptera : Aphidoidea; Hymenoptera : Braconidae, Aphidiinae)
(Journal of Plant Diseases and Protection, 2006)
Aphid and aphid parasitoid associations on willows (Salix spp.) and poplars (Populus spp.) in southeastern Europe are reviewed. In total 13 aphid parasitoid species were reared from aphids on these plants. The specific ...
Population variability of the species Polygonum aviculare L. / Populaciona varijabilnost vrste Polygonum aviculare L.
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2006)
As Polygonum aviculare L. is characterized by exceptional polymorphism, 10 populations of this species were subjected to relevant morpho-anatomical investigation for a more detailed taxonomic determination. The following ...
Effects of fungi Ganoderma lucidum (Curt.: Fr) P. Karst. ts on beer sensorial evaluation / Uticaj gljive Ganoderma lucidum (Curt.: Fr) na senzorna svojstva piva
(Društvo za ishranu Srbije, Beograd, 2006)
Mushrooms like Ganoderma lucidum have been used for thousands of years in traditional folk Far East medicine. It gained wide popularity as cultivated edible mushroom with high nutritional value and its medicinal properties. ...
Identification of Eutypa lata, a grapevine parasite / Identifikacija Eutypa lata, parazita vinove loze
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2006)
The phytopathogenic fungus Eutypa lata (Pers.: Fr.) Tul. and C. Tul., the causing agent of eutypa dieback, has been increasingly often identified in recent times as a cause of grapevine disease. It was first discovered and ...