Kochuk H. Efficiency of agricultural practices of weed control on the sown of crops in the cоnditions of the Polissia

Subject of inquiry - the regularities of weed vegetation formation in crops of agricultural cultures of field rotation depending on agrotechnical practiced; The arm - to detect the environmentally safe ways of the decrease of weed harmfulness in crops of field cultures with maximum involment of agrotechnical measures and the use of competitive possibilities of cultivated species; The methods are field, visual, measuring-weight, chemical, mathematical and statistical, calculated and comparative; The novelty - in accordance with the conditions of the Polissia, a complex of agrotechnical measures of weed control directed to the formation of phytocenotically stable crops, the increase in field crop productivity is determined; The results - the regularities of the decrease of harmful action of weeds are established by means of agricultural practices, the application of which gives the opportunity to decrease the weed infestation by 21,4-73,8 % for crops of solid planting, to increase the productivity by 7,4-18,8 %; The introduction - the scientific developments have passed an industrial trial in the conditions of the Polissia over an area 740 ha; The branch - agriculture