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Приказ резултата 41-50 од 1096
Economic effects of the appliance of new types of machines and tools for the arrangement of soil's in sunflower production / Ekonomski efekti primene mašina i oruđa za uređenje zemljišta u proizvodnji suncokreta
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2010)
The need of preservation and rational use of natural resources such is land requires the elimination of the usual practice of production and application of new technologies and new types of machines and tools. However, ...
Phytoplasmas infecting fruit trees in Serbia
(Int Soc Horticultural Science, Leuven 1, 2008)
During 2003-2005 extensive surveys were carried out in diverse location in Serbia to verify phytoplasma presence in fruit trees species affected by decline, reddening, yellowing or witches' broom symptoms. Tests were carried ...
Microstructure and dielectric properties of BaTiO3 doped with Er2O3, Yb2O3 and Ho 2O3
(2nd International Congress on Ceramics, ICC 2008, 2008)
Doped barium-titanate ceramic is attracting much interest for its application as resistors with a positive temperature coefficient of resistivity (PTCR), multilayer ceramic capacitors (MLCC), thermal sensors etc. In this ...
Dielectric properties of batio3 doped with er203 and yb203 based on intergranular contacts model
(Advances in Electroceramic Materials, 2009)
Taking into account that microstructure properties of barium-titanate based materials, expressed in grain boundary contacts, are of basic importance for electric properties of these material, in this study, the model of ...
Choosing type of chamomile harvester based on current value of usage costs
(Int Soc Horticultural Science, Leuven 1, 2007)
The harvesting is a very important phase during the process of chamomile production and has to be carried out in optimal agro-technical terms in order to achieve better quality of chamomile, i.e. high content of ether oil. ...
Possibilities of using fruit processing residues as a fuel
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2009)
Energy demand in the world and limited sources of fossil fuels impose larger amounts of renewable energies. Agriculture production can be very important factor as a renewable energy producer concerning large amounts of ...
Energy efficiency of tomato production in heated and non-heated greenhouse
(Agronomski fakultet Sveucilista u Zagrebu, 10000 Zagreb, 2008)
Greenhouse production is still among the most energy-consuming branches of agriculture. Producers are faced with high cost of the operations involved in greenhouse production processes (climate control, fertilizing, ...
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, ...
Preservation and maintenance of the national basil collection (Ocimum basilicum L.) / Čuvanje i održavanje nacionalne kolekcije bosiljka (Ocimum basilicum L.)
(Savez farmaceutskih udruženja Srbije, Beograd, 2006)
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 ...