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1.加强水质调节培育鱼种的池塘,经过几个月的饲养,水质逐渐老化,要加强水质调节,改善水体环境。调节方法:一是换注新水。即将原池塘水放出1/3-1/2。再加注新水。初秋时7天换水一次,秋分前后10天左右换水一次。二是放肥培水。为防止水质恶化,最好每施一次肥,加注一次清水,使池水透明度保持在20~30厘米。2.调整鱼种规格不同
1. Strengthen water quality regulation Cultivate fish ponds, after several months of breeding, water quality gradually aging, to strengthen water quality regulation, improve water environment. Adjustment method: First, change the new water injection. Will release the original pond water 1 / 3-1 / 2. Add new water again. Change the water in the early autumn 7 days, about 10 days after the autumn equinox change the water once. Second, fertilizer and pei water. In order to prevent the deterioration of water quality, it is best to apply fertilizer once, add water once, so that the water transparency remained at 20 to 30 cm. 2. Adjust the different species of fish species