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在敌敌畏中掺入酒精与磷化氢混合环流熏蒸 ,使混合气体在粮堆内均匀分布 ,解决了敌敌畏在粮堆内的施药难题 ,达到彻底防治书虱的目的。
Dichlorvos mixed with alcohol and phosphine mixed loop fumigation, so that the mixed gas evenly distributed within the grain heap to solve the dichlorvos pesticide application problems in the grain heap, to achieve a complete prevention and control of lice purposes.