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Information × Registration Number 0216U007172, 0114U000526 , R & D reports Title 02.03.00.15.А To determine the normative parameters of competitiveness of grain-crops in relation to weeds and improve their control in agrocoenosis of different crop rotations of Left-bank Forest-steppe popup.stage_title Head Demidenko Alexander Vasylievich, Registration Date 08-04-2016 Organization National scientific centre "Institute of agriculture of National academy of agrarian scences" popup.description2 The object of researches : coexistence of agricultural cultures and floristic societies of weeds. Aim of researches - to work out the effective measures of control of pesting overgrew weeds in the short crop rotations of Left-bank Forest-steppe of Ukraine. Methods of researches : the field, laboratory, statistical. In terms of competitiveness to weeds crops can be placed in the following sequence: winter wheat , crop (oil radish), barley, annual grasses(oats), peas, corn,beets. Mineral fertilizers increase the yield of crops and weeds. The more positive responds to specific fertilizer the culture and the smaller the response of weeds, especially weediness reduced by increasing doses of fertilizer. Product Description popup.authors Кравченко В.П. Ярмілко С.А. popup.nrat_date 2020-04-02 Close