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本方法使用的熏蒸剂为磷化氢、二氧化碳液化混合钢瓶剂型 ,其中磷化氢的含量为 2 %～ 2 5 % (重量 )。钢瓶置于粮仓外 ,向仓内施药 ,通过环流方式使该熏蒸剂在仓内分布均匀 ,并保持磷化氢气体在仓内的有效浓度为 15 ｐｐｍ～ 2 0 0ｐｐｍ。本方法将施药技术、环流熏蒸技术及检
The fumigant used in the method is a mixture of phosphine and carbon dioxide liquefied cylinders, wherein the content of phosphine is from 2% to 25% by weight. The cylinder is placed outside the granary and applied to the silo to distribute the fumigant uniformly in the silo by means of circulation and maintain the effective concentration of phosphine gas in the silo to be 15 ppm to 200 ppm. This method will be spraying technology, circulating fumigation technology and seized