目前,各地经销农药的单位较多,不少农民无法鉴别真假,现介绍几种真假农药的鉴别方法.1 外观鉴别厂家出厂的合格农药,如甲胺磷乳油为浅黄色透明液体,无明显沉淀物,甲甲磷、甲基1605乳油为棕色或褐色透明体; At present, there are many pesticide units distributed throughout the country and many peasants can not distinguish between genuine and fake. Several authentication methods for authentic and fake pesticides are introduced.1 Appearance identification Qualified pesticides manufactured by manufacturers such as methamidophos are light yellow transparent liquid, Clear sediment, methyl phosphorous, methyl 1605 EC is brown or brown transparent body;