Претраживање
Приказ резултата 41-46 од 46
Evaluation of trace elements MPC in agricultural soil using organic matter and clay content
(Novi Sad : Matica srpska, 2020)
The aim of this paper is to investigate the contribution of the influence of organic matter and clay content on the value of maximum permissible concentrations (MPC) of trace elements Pb, Ni, Cr, and Cd. The investigation ...
Harmonia axyridis (Coleoptera: Coccinellidae) in Serbia: its presence on aphid-infested plants and co-occurrence with native aphidophagous coccinellids
(Institute of Pesticides and Environmental Protection, Belgrade & Plant Protection Society of Serbia, Belgrade, 2020)
The presence of the invasive coccinellid Harmonia axyridis in aphid colonies on plants, as well as its co-occurrence with native coccinellid predators was studied in the period 2011-2020. Also, its occurrence on fruit ...
Assessment of yield, quality and nitrogen index of Agrostietum capillaris grassland as affected by fertilizations
(Institut za stočarstvo Beograd-Zemun, 2020)
Managing N, P and K inputs in semi-natural meadow production systems is important for achieving maximum yields in livestock farming. The objective of the present study was to estimate the effect of different NPK levels ...
Analysis of fresh and processed carrots and beets from organic and conventional production for the content of nutrients and antioxidant activity
(Univerzitet u Kragujevcu - Agronomski fakultet, Čačak, 2020)
In order to popularise organically produced vegetables, two vegetable crops most commonly grown in organic systems in Serbia were studied. This research aimed at investigating differences in phytonutrient content between ...
Efficacy of copper citrate in grapevine disease control / Efikasnost bakar-citrata u zaštiti vinove loze od bolesti
(Institut za pesticide i zaštitu životne sredine, Beograd i Društvo za zaštitu bilja Srbije, Beograd, 2019)
The control of Plasmopara viticola and Botrytis cinerea, two of the most dangerous pathogens on grapevine, requires frequent treatments with chemicals based on weather conditions. Numerous applications of fungicides have ...
Phenology of cabbage stem flea beetle (Psylliodes chrysocephala L) in oilseed rape / Fenologija crvenoglavog buvača (Psylliodes chrysocephala L.) u uljanoj repici
(Institute of Pesticides and Environmental Protection, 2016)
The cabbage stem flea beetle (Psylliodeschrysocephala (L.) is an important pest of winter oilseed rape in Serbia. Beetles colonize oilseed rape in early October and are active in the field until first frost and wintertime. ...