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自从在水稻田使用农药以来,对控制病虫为害,确保粮食丰收起了重要作用,但也助长了单纯依赖农药消灭病虫的指导思想,一度出现了盲目乱用、滥用农药现象,从而带来农药浪费、农本增加、天敌减少、害虫抗性增加和再猖獗问题。有的地方还造成人畜中毒、作物药害和农副产品农药污染等事故。我国在1975年把“预防为主,综合防治”作为植保工作方针以
Since pesticide application in paddy fields has played an important role in controlling pests and diseases and ensuring grain harvests, it has also promoted the guiding ideology of relying solely on pesticides to eradicate pests and diseases. The phenomenon of indiscriminate use and indiscriminate use of pesticides led to the emergence of pesticides Waste, increased capital, reduced natural enemies, increased pest resistance and re-rampancy. In some places, it has also caused human and animal poisonings, crop injury and agricultural and sideline products pesticide contamination. In 1975, China took “prevention as the mainstay and comprehensive prevention and control” as the policy of plant protection