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从2000年开始,我在2亩大小的鱼种池里用豆蟹套养成蟹,年年获得成功。现将去年套养情况及收益介绍如下。一、套养方法4月中旬每亩用75公斤生石灰彻底清塘,5月15日投放草鳊鲢鳙鱼花20万尾,相隔5天又投放每公斤4000只大小的豆蟹苗种2000只。鱼花下塘后每天投喂黄豆浆1次,1个月后鱼种长到3～4公分,停止投喂精料。从此开始全部投喂个体很小的瓢莎(又称芝麻萍)草鳊鱼十分爱吃,草鳊鱼排出的粪便又能肥水,可供鲢鳙鱼食用,河蟹对此也不例外。从6月中旬开始到9月底共投喂瓢莎7500公斤,池塘中天天不离草,草鳊鱼生长很快,7、8、9这3个月池水透明度控制在10～15厘米,池水达到
Starting in 2000, I crab-raised crabs and crabs in 2-acre fish ponds and succeeded year after year. Now the situation of raising nurses last year and earnings are as follows. First, the method of raising In mid-April with 75 kg of lime per acre thoroughly Qingtang, on May 15 put grass carp bighead carp 200000, another 5 days and put 4000 size kilos of crabs per kilogram 2000 . Soybean ponds after feeding pond soy milk 1 times a day, 1 month after the fish grow to 3 to 4 cm, stop feeding concentrate. From then on, all the individuals who fed small scallops (also known as sesamemilk) are very fond of grass mullet, and the excrement of grass mullet can be used for feeding silver carp and bighead carp, and crabs are no exception. From mid-June to the end of September were fed scoop 7500 kg, the pond every day does not leave the grass, catfish rapid growth, 7,8,9 this 3 months the transparency of the water in the control of 10 to 15 cm, the water reached