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根据冬前冬麦田杂草发生防控情况,结合气象条件及今春土壤墒情综合分析,预计今春我省冬麦田杂草将呈中等至中等偏重发生,部分地区重发生,防控形势异常严峻。一、冬前冬麦田杂草发生防控情况据全省植保机构调查统计,全省冬前麦田杂草发生面积2829.7万亩,需防面积1600.4万亩,实防面积183.3万亩,实防面积仅占需防面积的11.5%,一般密度3—25株/平方米,50株/平方
According to the prevention and control of weeds in the winter wheat fields before winter and comprehensive analysis of meteorological conditions and soil moisture in spring, it is estimated that the weeds in winter wheat fields of our province will appear moderate to moderately heavier in spring, and the occurrence of heavy weeds in some areas will be extremely severe in prevention and control. First, the prevention and control of winter wheat weeds before winter occurrence According to the survey of the province’s plant protection agencies statistics, the province’s winter wheat weeds occurred area of 28297000 mu, need to prevent the area of 1600.4 mu, real defense area of 183.3 mu, real defense area Only occupy 11.5% of the area to be protected, the general density of 3-25 plants / square meter, 50 plants / square