伪劣农药的识别为了准确识别假冒或过期失效的农药，笔者将鉴别农药的几种方法介绍如下：看标签：假冒农药的商品标签往往字迹模糊不清，既无注册商标又无出厂日期和厂址，包装也很不规格。水溶解法：将浮剂农药取出少许放入盛有水的容器中，搅拌后观察溶解情况。若立刻变... Identification of counterfeit pesticides In order to accurately identify counterfeit or expired pesticides, I will introduce several methods of identifying pesticides as follows: Look at the label: Counterfeit pesticides are often illegible with product labels, and there are neither registered trademarks nor date of manufacture and site. The packaging is also very non-standard. Water dissolution method: Remove the floating agent pesticide into a container filled with water and observe the dissolution after stirring. If you change immediately...