目前,化学农药仍是防治作物病虫草害的主要措施,而农药的使用不当就会使作物出现药害,造成经济损失。预防补救措施如下: 预防方法 一严格按照药剂的使用说明规范用药。药剂种类不同,使用方法,使用时期也不一样。有的地方曾发生过错把灭生性除草剂按选择性除草剂的方法使用,使作物和杂草一起“全军覆灭”。因此;要严格按照药剂使用说明科学用药,否则容易出现药害。 At present, chemical pesticides are still the main measures to prevent crop pests and weeds, and improper use of pesticides can cause crop injury and economic losses. Prevention and remedial measures are as follows: Prevention Method One in strict accordance with the pharmaceutical instructions for the use of norms. Different types of pharmaceutical, use, use period is not the same. In some places, mistakes have been made in using biocidal herbicides as selective herbicides to “destroy the crops together with weeds.” Therefore; to scientific medication in strict accordance with the instructions, or prone to injury.