利用化学药剂防治病虫草害 ,是保证农业丰产丰收不可缺少的一项重要措施 ,但如果使用不当 ,也会造成人畜急性或慢性中毒、大量杀伤天敌、污染环境等 ,特别是农药在农产品中的超量残留 ,会给人类的生存带来极大的潜在危害。因此 ,怎样安全使用农药 ,充分发挥其有益作用、减少其 The use of chemical agents to prevent pests and diseases is an indispensable measure to ensure high yield and bumper harvests in agriculture. However, if used improperly, it can cause acute or chronic poisonings to humans and animals, kill a large number of natural enemies and pollute the environment, especially pesticides in agricultural products Surplus residue, will bring great potential harm to human survival. Therefore, how to use pesticides safely and give full play to their beneficial effects and reduce them