Претраживање
Приказ резултата 321-329 од 329
Control of brown rat (Rattus norvegicus) on a dairy farm in Serbia / Prilog poznavanju suzbijanja sivog pacova (Rattus norvegicus) na farmi mlečnih krava
(Institut za stočarstvo, Beograd, 2012)
Rattus norvegicus is a synanthropic species living almost exclusively around facilities for keeping domestic animals. This three-year research focused on options for reducing economic damage caused by this rodent species ...
First record of introduced Valencia slug, Lehmannia valentiana (Férussac, 1822), in Serbia / Prvi nalaz introdukovanog valensijskog golaća, Lehmania valentiana (Ferussac, 1822), u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2011)
The established indoor population of introduced Valencia slug, Lehmania valentiana (Ferussac, 1821), has been recorded for the first time in Serbia. The first two specimens had been found in December, 2010 and cultivated ...
Jumping plant-louse Cacopsylla (Hepatopsella) bidens (Šulc, 1907) (Hemiptera, Psyllidae) new pest on pear in Serbia / Lisna buva Cacopsylla (Hepatopsylla) bidens (Šulc, 1907) (Hemiptera, Psyllidae) nova štetočina kruške u Srbiji
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2011)
The problem of jumping plant - lice, an important pest on pear, appeared in the middle of the twentieth century and represents a direct consequence of pear cultivation on large areas with intensive application of agrotechnical, ...
Selenium based product and sinantrop rodents control in agricultural facilities / Preparat na bazi selena i suzbijanje sinantropnih glodara u objektima u poljoprivredi
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2011)
In the function of environment preservation, chemical product used in plant protection are being substituted by environmentally friendly substances. When it comes to rodenticides and rodents not much is done for improvement ...
Botrytis cinerea control and the problem of fungicide resistance / Suzbijanje Botrytis cinerea i problem rezistentnosti na fungicide
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2011)
Botrytis cinerea, the causal agent of grey mould, greatly affects fruit, grapevine, vegetable and ornamental crops production. It is a common causal agent of diseases in plants grown in protected areas, as well as fruit ...
Intestinal histology and enterocytes height variation in rainbow trout (Oncorhynchus Mykiss) grown in cages: Effects of environmental conditions / Histologija creva i promene u visini enterocita kod dužičaste pastrmke (Oncorhynchus Mykiss) gajene u kaveznom sistemu
(Institut za stočarstvo, Beograd, 2012)
Rainbow trout (Oncorhynchus mykiss, Walbaum, 1792) was grown in cages (water reservoirs 'Bočac', Bosnia and Herzegovina) in two separate experiments for a period of 90 days (autumn - winter and spring - summer). Trout were ...
The effect of the system of crossing on fattening parameters of weaned lambs / Uticaj sistema ukrštanja na tovne parametre odlučene jagnjadi
(Institut za stočarstvo, Beograd, 2012)
In this paper, the effect of different systems of crossing of sheep: two-breed (PxW) and three-breed (PxWxIDF) on production results - body weight and average daily gain of lambs weaned at the age of 60 days and fattened ...
Impact of energy prices on income of labour on field crop operations / Uticaj cena energenata na ekonomske efekte rada na ratarskim porodičnim gazdinstvima
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2012)
The starting point of the paper is the fact that the economic effects of field crop operations is highly conditioned by energy prices (primarily diesel fuel prices) as well as by the raw material whose prices to a large ...
A simple method estimates and economic indicators of photovoltaic systems for drip irrigation / Jednostavni metod procene i ekonomski pokazatelji fotonaponskih sistema za navodnjavanje kap po kap
(Naučno društvo agrarnih ekonomista Balkana, Beograd, Institut za ekonomiku poljoprivrede, Beograd i Akademija ekonomskih nauka, Bukurešt, 2013)
Renewable, environment friendly, photovoltaic (PV) solar energy have been one of the most attractive means for pumping the water needed to irrigate crops. However, since at the present time PV systems still suffer from ...