在农业生产中农药出问题多、投诉案件最多的是除草剂。科学使用除草剂,不仅可以有效防除杂草,同时可以节省大量除草用工,减轻劳动强度。但若使用不当往往出现农作物植株焦枯黄化,停止生长;重者植株枯死,经济损失惨重。正确总结除草剂出现药害的原因,掌握其安全使用方法,才能确保除草剂安全使用。1除草剂使用中存在的问题及药害产生原因1)选用除草剂不当。部分农民对除草剂的性能、使用农作物范围、使用方法不了解,盲目滥用导 Pesticides in agricultural production out of many problems, the largest number of complaints of herbicides. Scientific use of herbicides, not only can effectively control weeds, but also can save a lot of weeding workers to reduce labor intensity. However, improper use of crop plants often appear scorched and yellowing, stop growing; severe cases of dead plants, the economic losses. Correctly summarize the causes of herbicide injury, to master its safe use, in order to ensure the safe use of herbicides. 1 problems in the use of herbicides and causes of injury 1) the use of improper selection of herbicides. Some farmers on the performance of herbicides, the scope of the use of crops, methods of use do not understand, blindly abuse guide