近年来大豆田除草剂品种迅速增多，涉及的化合物类型增加，作用原理各式各样。在生产中常出现除草效果差、作物发生药害等问题。为此就除草剂使用应注意的问题总结如下：１）针对作物田间杂草种类选用适宜的除草剂品种。任何除草剂品种都有其一定的杀草谱。有防阔叶的，有防窄 In recent years, soybean varieties rapidly increase the number of herbicides, the types of compounds involved increase, a wide range of principles of action. In the production of herbicides often appear poor, crop phytotoxicity and other issues. To this end on the use of herbicides should pay attention to the problems are summarized as follows: 1) for the crop field weed species selection of appropriate varieties of herbicides. Any herbicide variety has its own herbicide spectrum. Anti-broad-leaved, there are anti-narrow