农药是人们用来防治农作物病虫害,除去杂草的良好武器。它为农业的稳产、高产提供了一项有利措施,在供给人们丰富的食物和工业原料,增加畜产品等方面起着重要的作用。近年来,随着工农业生产的发展,农药的品种和产量日益增长,使用的面积和范围也在不断扩大。目 Pesticides are good weapons that people use to control pests and diseases of crops and weeds. It provides a favorable measure for stable and high-yield agriculture and plays an important role in providing people with abundant food and industrial raw materials and increasing livestock products. In recent years, with the development of industrial and agricultural production, the varieties and yields of pesticides have been increasing day by day, and the area and scope of their use have also been constantly expanding. Head