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湖南桃源县盘塘镇农民曹保清,1994年开始用谷芽养鱼。他说,每2.5～3千克稻谷的谷芽,能长鱼1千克。按目前早籼稻谷价,3千克稻谷2.5元,1千克鲜鱼7元,投入与产出比为1:2.8。
Pan Tao Town, Taoyuan County, Hunan farmers Cao Baoqing, began in 1994 with Guya fish. He said that every 2.5 to 3 kg of rice grain, can grow 1 kg of fish. According to the current indica rice price, 2.5 kg 3 kg rice, 1 kg fresh fish 7 yuan, input and output ratio of 1: 2.8.