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简介：浙东农村稻田中，福寿螺灾害曾泛滥一时。作为外来生物的福寿螺，在中国没有天敌，所以它们繁殖成灾，严重影响了水稻的正常生长。然而，在浙江余姚的河姆渡，农业工作者想出了在田里养甲鱼的妙招，既为农民师傅解决了福寿螺的问题，又通过养殖甲鱼获得了极大的经济收益，实现了新时代农村的可持续发展。收起
田里的英雄鳖 [走近科学] 20110812
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