最近澳大利亚新南威尔士州的昆虫学家宣布了一项称为Siroflo的防治粮仓虫害的新技术。该项技术是用抽风机把低而稳定浓度的磷化氢气体吹进仓库里。使熏蒸剂扩散于谷物堆中,由于空气是流动的仓库可不必完全密封。这种方法所用药剂浓度很低是不残留药物。一般气体浓度为0.02毫克/升,如果仓库温度低于15℃时, Recently, entomologists in New South Wales, Australia announced a new technology called Siroflo to prevent and control silo pests. The technology is to use a suction fan to a low and stable concentration of phosphine gas into the warehouse. Diffusion of fumigants in the grain heap may not necessarily be completely sealed as the air is flowing in the warehouse. This method uses a very low concentration of the drug is not residual drugs. General gas concentration of 0.02 mg / l, if the warehouse temperature is below 15 ℃,