有些农户购买的农药尚未用完,打算来年再用。这些农药贮存时应做到以下“七防”。1.防挥发。有些液体农药容易挥发失效,造成空气污染。故保存时务必将瓶盖拧紧,实行密封,放在无人居住的房间里。2.防暴晒。大多数粉剂农药在高温条件下,质量容易下降。温度越高,农药越容易融化、分解、挥发,甚至燃烧爆炸。一些乳剂农药遇到高温后,也会破坏乳化性能,降低药效。另外,锌硫 Pesticides purchased by some farmers have not yet run out and are going to be reused in the coming year. These pesticides should be stored in the following “seven anti-”. 1. Anti-volatile. Some liquid pesticides are easily volatile and cause air pollution. Therefore, be sure to save the bottle when tightening, the implementation of the seal, on the unoccupied room. 2. Anti-sun exposure. Most powder pesticides in high temperature conditions, the quality is easy to decline. The higher the temperature, the easier the pesticides to melt, decompose, volatilize, and even burn and explode. Some emulsion pesticides encounter high temperatures, will also destroy the emulsifying properties, reduce efficacy. In addition, zinc and sulfur