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Приказ резултата 61-70 од 611
The effect of tillage system, nitrogen level and cultivars on grain yield of winter wheat / Uticaj sistema obrade zemljišta, dopunske ishrane azotom i sorte na prinos ozime pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
This paper deals with result of the effects of low-input technology on grain yield of different winter wheat cultivars in investigated period (2003/04-2004/05) on the chernozem luvic soil type in Faculty of Agriculture ...
Predators and parasitoids of Cacopsylla pyri (L.) (Hemiptera: Psyllidae) in Serbia / Predatori i parazitoidi Cacopsylla pyri (L.) (Hemiptera: Psyllidae) u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2010)
The presence of C. pyri and its natural enemies was studied in both treated and untreated pear orchards in Serbia from 2005 to 2009. Five parasitoid and 21 predator species were identified as present on a considerable ...
Subsequently effect of ameliorative tillage on some physical soil properties in winter wheat / Produžno dejstvo meliorativne obrade na fizičke osobine zemljišta u usevu ozime pšenice
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
The paper deals with the subsequently effect of ameliorative tillage on the dynamics of some important physical soil properties in winter wheat. The trial was carried-out at the experimental fields of Maize Research Institute ...
Novel approaches to implementation of pumpkin resistance in control of viral diseases / Novi pravci primene otpornosti tikava u kontroli virusnih oboljenja
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2010)
As there is a growing frequency of viral plant diseases in epidemic proportions, the possibilities for successful control are constantly being explored. Despite the fact that integral and simultaneous employment of numerous ...
Currant problems in fruit and grape protection / Aktuelni problemi u zaštiti voćaka i vinove loze
(Naučno voćarsko društvo Srbije, Čačak, 2010)
In this article the actual and economically important diseases, insect pests and integrated pest management (IPM) of fruit and grapes in Serbia were discussed. Different pest management measures were suggested, as well. ...
Hordein gene dose effects in triploid endosperm of barley (Hordeum vulgare L.) / Efekti doze gena kod hordeina u triploidnom endospermu ječma (Hordeum vulgare L.)
(Društvo genetičara Srbije, Beograd, 2009)
The presence of two maternal chromosome sets in triploid barley endosperm allows the distinction of maternal and paternal hordein bands in an electrophoregram: the maternal bands are stronger due to the higher gene dose. ...
Presence and distribution of pepper viruses in Serbia / Prisustvo i rasprostranjenost virusa paprike u Srbiji
(Institut za ratarstvo i povrtarstvo, Novi Sad, 2010)
Pepper is a very popular and profitable crop in Serbia and its production is growing rapidly as well as the importance of diseases caused by viruses. Virus infections interfere with development of pepper plants, reducing ...
Chicken fatling production hall ventilation system energy efficiency improvement with variable frequency control for fans / Frekventna regulacija rada ventilatora kao mera povećanja energetske efikasnosti sistema proizvodne hale farme tova pilića
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2009)
In past few years there were a notable number of ventilation systems applications working with variable air volume (VAV). Accessibility, simplicity and low-cost of frequency regulation equipment implementation in ventilation ...
Mite pests in plant crops: Current issues, inovative approaches and possibilities for controlling them: Part 2 / Štetne grinje gajenih biljaka - aktuelni problemi, inovativni pristupi proučavanju i mogućnosti suzbijanja - 2 deo
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2010)
Part one discusses some principal mite pests in agroecosystems and urban horticulture in European countries, Serbia and its neighbouring countries focusing primarily on issues with regard to plant production, novel methods ...
Possibilities for improvement of ventilation systems efficiency in pig farm farowing room and nursery / Mogućnosti poboljšanja efekata rada ventilacionog sistema u odeljenjima prasilište i odgajalište na farmi svinja 'Farkaždin'
(Univerzitet u Beogradu - Poljoprivredni fakultet - Institut za poljoprivrednu tehniku, Beograd, 2010)
Analysis of ventilation systems efficiency in farrowing room and nursery is presented in this paper. Those rooms are selected because of the most sensitive categories in pig production cycle. From this reason, these farm ...