Features of weed infestation in agrocenoses of spring barley and potatoes depending on the application of herbicides

<p>The number and species composition of segetal vegetation are established in crops of spring barley and potatoes during their growing season for the 2014-2016 years. The potential reserves of weed seeds in the arable (0-30 cm) soil layer depending on the use of herbicides are investigated. The effect of herbicides on productivity of test crops in the agrocoenosis of western forest steppes of Ukraine is revealed.