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周口市北郊乡康店村青年农民林锋,利用村中的废洼地投资2000多元,修建了两口面积分别为330m~2和30m~2的水泥池。1993年5月12日从周口地区水产处购回7～8cm的革胡子鲇鱼种3500尾,经146天的饲养,捕出成鱼1508公斤,最大个体1.4公斤,最小0.35公斤,平均0.48公斤,苗种成活率90%。总收入10550元,除去鱼种、饲料、人工费、鱼池折旧及其它杂项支出5370元,获纯利5180元。他的主要做法是:
Lin Feng, a young farmer of Hongcun Village in the northern suburbs of Zhoukou City, invested more than 2,000 yuan in the waste depressions in the village to construct two cement ponds with areas of 330m ~ 2 and 30m ~ 2, respectively. May 12, 1993 purchased from Zhoukou aquatic products 7 ~ 8cm of leather bearded mullet 3500, after 146 days of breeding, catching adult fish 1508 kg, the largest individual 1.4 kg, a minimum of 0.35 kg, an average of 0.48 kg , Seed survival rate of 90%. The total income of 10550 yuan, except for fish species, feed, labor costs, fish pond depreciation and other miscellaneous expenses 5370 yuan, net profit of 5180 yuan. His main approach is: