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我地农户用沟塘植慈姑养鳅,667平方米产商品鳅250千克、慈姑200千克,主要技术措施如下。1、鳅池改造 选择水源充足、排灌方便、无污染的沟塘作为养鳅池。面积:300～2500平方米,池深1.5米,坡比1:4,池心再挖一个集鱼窝,深0.5米,面积占养鳅
My farmer with ditch Tongcai Sagittarius feeding loach, 667 square meters product loach 250 kg, arrowhead 200 kg, the main technical measures are as follows. 1, loach pool transformation to choose adequate water supply, irrigation and drainage convenience, pollution-free ditch as feeding loach pool. Area: 300 ~ 2500 square meters, the pool depth of 1.5 meters, slope ratio of 1: 4, the pool heart and then dig a fish nest, 0.5 meters deep, covering the area of loach