【摘要】 用磷化氢、二氧化碳仓外筒仓底部施药，并结合仓顶缓释投药熏蒸储粮进行试验。结果表明，在未用环流、通风设备等设施的情况下，采用此方法熏蒸高度20m以下的筒仓，可有效地防治储存小麦中的谷蠹RizoperthadominicaFabricius、玉米象SitophiluszeamaisMotschulusky等储粮害虫，具有投资少，操作简便，防治效果好等特点。更多还原

【Abstract】 A test of fumigation with mixed gas of phosphine and carbon dioxide in bottom,and with slow releasing fumigation at top has been conducted. The results indicated that the technique was effective to control Rhyzopertha dominica F. and Sitophilus zeamais M. in wheat which was stored in silo below 20 m without the equipment of circulation fumigation and ventilation. This technique has the characteristics of economic,simple and convenient in operation and good control effect.更多还原