麦田使用除草剂是夺取小麦丰收的重要措施。目前用于麦田的除草剂种类多,每种除草剂在使用时,无论是对麦苗,还是对土质和天气都有特定的要求,即使是同一种麦类在不同的生育阶段,它们均对除草剂的选择有一定的要求,在使用前必须了解清楚,做到万无一失。除草剂施用不当,比较集中的就是容易造成叶色不正常,如出现 The use of herbicides in wheat fields is an important measure to seize wheat harvest. At present, there are many kinds of herbicides used in wheat fields. Each herbicide has specific requirements on wheat germ or soil and weather when it is used. Even if the same wheat is in different stages of growth, The choice of agents have certain requirements, must be understood clearly before use, be foolproof. Improper application of herbicides, more concentrated is likely to cause leaf color is not normal, as appears