在室内用农用化肥碳酸氢铵60mp／L浓度浸泡钉螺72小时死亡率为100％，与硫酸铜、硫酸镁混合，抑制钉螺上爬的最佳浓度为50mp／L。用碳酸氢铵与碳酸氢铵混合剂50g／m3现场灭螺，施药后7天活螺减少率分别为88.80％、98．2％。表明该药灭螺效果好，使用方便，低毒，价廉。具有既可灭螺又有肥田的双重作用。 In the indoor fertilizer ammonium bicarbonate 60mp / L concentration immersed snails 72h mortality was 100%, mixed with copper sulfate, magnesium sulfate, inhibit snail climbing the best concentration of 50mp / L. Ammonium bicarbonate and ammonium bicarbonate mixture 50g / m3 on-site snails, 7 days after application of live snails reduction rates were 88.80%, 98.2%. Shows that the drug snail good effect, easy to use, low toxicity, low cost. Has the dual role of both snail and fertilizer field.