当前,一些地方使用化学除草剂,杀除农田 杂草,取得良好效果。但也有的农户,由于使用方法不当,导致药害,造成农作物减产,如何防止化学除草剂使用中药害的发生呢? (一)用药要“对口”:不同作物,对不同除草剂敏感不同。否则就有可能产主药害。例如;甲磺隆钠盐对防治稻麦连作的麦田内的杂草有特效,但在阔叶作物田里使用,便会毒害作物。再如稳杀得用于防治棉花、西瓜、花生等作物田间 At present, some places use chemical herbicides to kill farmland weeds and achieve good results. However, some farmers, due to improper use, lead to phytotoxicity, resulting in crop production cuts, how to prevent the use of chemical herbicides Chinese medicine harm it? (A) to the drug to “counterparts”: different crops, different sensitive to different herbicides. Otherwise, it is possible that the owner of the drug injury. For example, the metsulfuron sodium salt is effective against weeds in wheat-wheat cropping fields, but when used in broad-leaved fields, it can poison crops. Another example is the steady kill was used to control cotton, watermelon, peanuts and other crop fields