The results showed that recirculation fumigation under film can effectively improve airtightness of the warehouse and control stored grain insects.
结果表明，采用膜下环流熏蒸可有效提高仓房的气密性，取得良好的熏蒸杀虫效果。
The experiment of recirculation fumigation and natural deliquescence of dichlorvos and aluminium phosphide mixed with grain powder is introduced.
介绍了敌敌畏与磷化铝混合粮面施药、自然潮解环流熏蒸试验。
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