福寿螺已成为我国南方局部稻区严重危害水稻的有害生物。为解决常用的化学杀螺剂污染环境和农产品的问题,湖南科技人员近年来分别在室内和大田环境下研究了生石灰、碳酸氢铵、茶麸和茶皂素4种替代物质防治福寿螺的效果。试验结果表明,茶皂素、茶麸和生石灰对稻田福寿螺均 Lucky snails have become the rice in the southern part of China seriously endanger the pests of rice. In order to solve the problem of commonly used chemical pesticides to pollute the environment and agricultural products, Hunan scientists in recent years studied the effects of four kinds of alternative substances, namely quick lime, ammonium bicarbonate, tea bran and tea saponin, on the prevention and cure of snails. The test results showed that tea saponin, tea bran and quicklime on the rice field lupulus