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Aerobic and anaerobic incubation: Biological indexes of soil nitrogen availability / Aerobna i anaerobna inkubacija - biološki indeksi pristupačnosti azota zemljišta
(Matica srpska, Novi Sad, 2005)
Our researches have been made on brown forest soil that had been used in long-term experiments set up according to specified fertilization system for over 30 years. We have chosen those experiment variants in which quantities ...
Devices for oxygen content increment in warm water fish ponds / Uređaji za obogaćivanje vode kiseonikom na toplovodnim ribnjacima
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2005)
Successful and high yield warm water fish production (mostly carp) is mainly limited by the content of dissolved oxygen in the water. Oxygen content in fish pond water varies according to daily and seasonal fluctuations ...
Modern wheat combine harvesters under conditions of PKB beograd
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2005)
The goal of the investigation was to analyze parameters and indicators of performance for modern combine harvesters, under conditions of PKB Corporation, as a basis to review the possibility for improved performance, ...
A study on classification and characteristics of kajmak / Prilog proučavanju i klasifikaciji kajmaka
(Univerzitet u Novom Sadu - Tehnološki fakultet, Novi Sad i Savez hemičara i tehnologa, Beograd, 2005)
Industrial production of kajmak requires production procedure standardization in order to get a product with standard characteristics. Better knowledge of processes involved in production and maturation stages of kajmak ...
A study of the adsorption thermodynamics of n-hexane on ion-exchanged X zeolites / Termodinamika adsorpcije n-heksana na jonski izmenjenim X zeolitima
(Srpsko hemijsko društvo, Beograd, 2005)
In this work, the free energy changes and entropy changes of adsorption of n-hexane on zeolites of the MxNa87-2xX (M=Co,Ni,Zn,Cd) type were determined using their isosteric sorption heats. It was found that the exchange ...
Bacterial spot management on tomatoes
(International Society Horticultural Science, Leuven 1, 2005)
Bacterial spot of tomato, incited by Xanthomonas campestris pv. vesicatoria, is a perennial problem in commercial fields in Florida. Various strategies have been used to control this disease including applying copper ...
First report of pear decline phytoplasmas on pear in Serbia.
(Amer Phytopathological Soc, St Paul, 2005)
Influence of protein mixture level and population density on the production of pheasant chickens / Uticaj nivoa proteina i gustine naseljenosti na proizvodnju fazančića
(Udruženje šumarskih inženjera i tehničara Srbije, Beograd i Univerzitet u Beogradu - Šumarski fakultet, Beograd, 2005)
Due to the great income from their hunting, pheasants are the most widely populated feathery game in our hunting grounds. Captive breeding system is one of the methods to secure the sufficient number of pheasants. This ...
Weed control lightening the green house with light cables / Suzbijanje korova osvetljenjem plastenika svetlovodima
(Institut PKB Agroekonomik, Padinska skela, 2005)
In this paper is given the suggestion that one plant parts of plant or more plants should be lighted with light from light cable from light source, light would be brought by light cable and only certain parts of plant ...
Praon haliday (Hymenoptera : Braconidae : Aphidiinae) of southeastern Europe: key, host range and phylogenetic relationships
(Elsevier Gmbh, Munich, 2005)
A review of species in the genus Praon Haliday, 1833 is presented. Twenty described species are keyed and illustrated with scanning electron micrographs and line drawings. The Praon species presented in this work have been ...