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夏秋季防治病虫害后,许多农户都有剩余农药,在越冬时如果不注意保管,不仅会变质失效,甚至还可能发生中毒事故。冬季保管农药应注意以下几个问题。一、分类贮存,防止变质。农药按化学性质可分为酸性、碱性和中性三大类,酸性农药有久效磷、乐果等;碱性农药有石硫合剂、杀虫双水剂等;中性农药有一0五九、一六0五等。这三大类农药应分别贮藏,间隔50厘米以上。如混放在一起,会发生化学反应,
After the pest control in summer and autumn, many peasants have surplus pesticides. If they do not pay attention to the custody during the winter, they will not only deteriorate, but also poisoning accidents may even occur. Keep the pesticide in winter should pay attention to the following questions. First, the classification of storage, to prevent deterioration. Pesticides can be divided into three categories according to the chemical nature of acid, alkaline and neutral three kinds of acidic pesticides are monocrotophos, dimethoate; alkaline pesticides are stone sulfur mixture, insecticide Shuangshui agent; neutral pesticides have 105 Nine, six hundred five and so on. These three categories of pesticides should be stored separately, more than 50 cm apart. If mixed together, there will be chemical reactions,