当前,农药市场品种品牌繁多,由于假农药混杂其中,使农民深受其害,同时,在农药的使用过程中,还较多地存在着使用不当,造成杀虫不死、灭菌不灵,甚至产生药害的现象,因此,提高农药选购、使用水平,是当前的一项十分迫切的任务。本文提供一些选购和使用知识供参考。一、根据国家规定,一个合格的农药品种,在其包装外表均应标明有“三证”。即由农业部药检部门签发的农药登记证, At present, there are many kinds of brands in the pesticide market. Due to the mixture of fake pesticides, peasants are greatly affected. At the same time, there are still many improper applications of pesticides, resulting in insecticide, sterilization, and even sterilization Resulting in the phenomenon of injury, therefore, to improve pesticide purchase, use level, is a very urgent task. This article provides some purchase and use of knowledge for reference. First, according to state regulations, a qualified pesticide varieties, in its packaging should be marked with “three cards ”. That is, the pesticide registration certificate issued by the drug testing department of the Ministry of Agriculture,