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渔农说：“鱼种是个宝．越冬要保好．来年增三成，经济效益高。”据实践证明，只要抓好的种越冬措施，来年确保增收50%以上。一、合理选塘。背风向阳，环境宁静，水质无污染，排灌自如．管理方便。要求依种塘底平拍．无渗漏。面积2亩左右一水深2‘5米。二、强化催膘、选好的业
The fishermen and peasants said: “The species of fish is a treasure. The winter is protected, and the cost of the trees is increased by 30% in the coming year, and the economic benefits are high.” According to practice, as long as the species for overwintering are seized, over 50% of the population will be increased in the coming year. First, a reasonable choice pond. Liyang sunny, quiet environment, water pollution, irrigation and drainage freely. Easy management. Requirements by the end of the pond flat shoot. No leakage. An area of 2 acres of water depth 2’5 meters. Second, strengthen reminder, selected industry