除草剂在农业上的应用越来越广泛,但产生药害的情况却时有发生,轻者叶色变绿或黄化,产量及品质降低,重者生长停止,茎叶扭曲萎缩直至死亡,为避免和减轻药害带来的损失,现将药害的几种原因及对策简述如下: The application of herbicides in agriculture is more and more widespread, but the occurrence of phytotoxicity has occurred from time to time, the light green or yellow leaves, reduce production and quality, severe growth stops, stems and leaves shrunk until death, In order to avoid and reduce the damage caused by injury, several causes and countermeasures of injury now are as follows: