一、看商标 凡进口或国产农药包装符合规格,标签正规,有生产厂家,农药登记号,出厂日期及生产批号等为真货,否则是假的。 二、观察法(一)粉剂或可湿性粉剂:(1)受潮药粉如结成团块或手捏成团,证明失效。(2)取30～40克药粉,倒入瓶中,加少许 First, see the trademark Where the imported or domestic pesticide packaging in line with the specifications, the label is regular, a manufacturer, pesticide registration number, date of manufacture and production lot number for the real goods, otherwise it is fake. Second, the observation method (A) powder or wettable powder: (1) damp powder, such as clumps formed into lumps or hand, proved ineffective. (2) Take 30 to 40 grams of powder, into the bottle, add a little