我国每年使用除草剂有效成分达8万吨以上,但由于不合理使用,利用率只有30%～40%左右。农药使用超量,不但带来环境污染和农作物药害事故发生,而且造成农产品中农药残留超标,直接危害人民身体健康,而农业生产成本居高不下的问题也与农药超量使用密切相关。这个问题已经引起国家有 The annual effective amount of herbicides used in our country is more than 80,000 tons, but due to unreasonable use, the utilization rate is only about 30% to 40%. Excess use of pesticides not only brings environmental pollution and crop injury accidents, but also causes excessive pesticide residues in agricultural products, which directly endanger people’s health. However, the problem of high agricultural production costs is also closely related to the excessive use of pesticides. This problem has caused the country to have