Economic evaluation of combined application of nitrogen fertilizers and crop protection chemicals in crop malting barley

摘要

The paper presents data on the effect of combined application of nitrogen fertilizers and chemical plant protection products on the grain harvest of malting barley. Sound economic efficiency of grain of spring barley. In 2009-2011 research found that an integrated system of plant protection with the introduction of nitrogen fertilizer dose of 135 kg/ha is most effective and will provide additional 21.1 q/ha with the greatest return of 17.7%.