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在高大平房仓粮面施放磷化铝药片,自然潮解48h后,环流通风72h,磷化氢气体均匀分布全仓,粮堆PH3最高浓度290ppm,有效浓度100ppm可保持28d,仓内各部位的害虫(包括螨)杀死率达100%。
Placed in the high level warehouse grain aluminum phosphide tablets, after natural deliquescence 48h, circulating ventilation 72h, phosphine gas evenly distributed throughout the warehouse, grain pile PH3 maximum concentration of 290ppm, the effective concentration of 100ppm can be maintained for 28d, the various parts of the warehouse pests (Including mites) kill rate of 100%.