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在堆粮高度 6m的高大平房仓内 ,采用磷化氢低剂量缓释方法 ,控制磷化氢反应速度使粮堆内较长时间保持药剂有效浓度 ,达到有效防治储粮害虫的目的。
In the high grain storage warehouse with a height of 6m, low-dose phosphine release slow-release method was adopted to control the reaction speed of phosphine so as to keep the effective concentration of medicament in the grain pile for a long time and achieve the purpose of preventing and controlling pests.