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祁东县白地市镇五七村六十多岁的老汉严先再,多年来一直从事养鱼生产,摸索了一套成功的养鱼经验,1989年他承包的6亩鱼塘出产鲜鱼6344公斤,亩产过吨,纯收入达1.2万多元。主要经验是: 一、多放鱼种。每亩水面放养草鱼180尾,鲢鱼500尾,鳙鱼100尾,鳊鱼80尾,鲤鱼120尾,青鱼5尾,银鲴5000尾,鲫杂鱼100尾。二、合理施肥。高温季节施放一些磷肥,及少量化肥,低温季节主要施放猪粪等有机肥料。施与不施,多施少施,一看天气,晴施雨不施、阴天少量施肥;二看水质、瘦施肥不施,视水的透明度而定;三看鱼的活动情况,早晨出现鱼浮
Qixi County Baidi town Wuqi Village 60-year-old veteran Yan Xianzhong, has been engaged in fish production over the years, groping a successful experience in fish farming, in 1989 he contracted 6 acres of fish ponds to produce fresh fish 6344 Kg, over tons per mu, net income of 12,000 yuan. The main experience is: First, put more fish species. There are 180 grass carp, 500 silver carp, 100 catfish, 80 catfish, 120 carps, 5 black herds, 5000 silver stalks and 100 white trash fish. Second, a reasonable fertilization. During the hot season, some phosphate fertilizers and a small amount of chemical fertilizers are applied. In the cold season, pig manure and other organic fertilizers are mainly released. Second, look at the water quality, thin fertilizer does not apply, depending on the transparency of the water; Third, the activities of fish to see the morning Float