杂草是农作物的主要劲敌,自从人类进行农业生产以来,人们就采用各种方式对其进行防除。化学除草剂以其作用迅速、使用方便等特点在20世纪 50年代得到迅速发展。但随着化学除草剂的广泛应用,弊端日趋势突出,化学除草剂造成环境污染和农药残留问题引起农药科技工作者的高度关注,渴 Weeds are the main enemy of crops, and since mankind has carried out agricultural production, people have taken various measures to control it. Chemical herbicides have been rapidly developed in the 1950s for their rapid application and ease of use. However, with the widespread application of chemical herbicides, the drawbacks have become increasingly prominent. The problems caused by chemical herbicides and pesticide residues caused by pesticides are of great concern to the scientists. Thirst