Effect of herbicides and terms of their application on crop weediness and yield of maize

Abstract

The research results of the study on the efficiency of herbicides use in maize cultivation are presented in the article. It is determined that under the weather conditions during the researches, the use of herbicide MaisTer power OD (1.3 l/ha) at 3 maize leaves stage has provided with the highest effect for the protection of maize crops against weeds. For this, weeds kill has made, on the average, 97,2%, their fresh weight decrease – 99.6%, green mass yield increase - 90,4%, grain – 95,6%.