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目前，农民在农作物病虫草害防治中，主要依赖化学农药。然而不少人由于缺乏安全合理用药常识，造成农药浪费严重，生态环境受到影响，生产性中毒、死亡事故和农产品农药残留超标造成的食物中毒事例也时有发生，这与人民对食物的高质量需求和中国加入世贸组织对农产品质量的要
At present, farmers rely mainly on chemical pesticides in the control of pests, diseases and weeds in crops. However, due to the lack of common sense of safety and rational drug use, many people cause serious waste of pesticides and ecological environment. Cases of food poisoning caused by productive poisoning, fatal accidents and excessive pesticide residues in agricultural products also occur from time to time, which is closely related to people’s high food quality Demand and China ’s WTO accession to the quality of agricultural products