笔者于2000年7月,利用我县80亩环城河水面进行了成鱼综合养殖试验。方法是利用环城河肥沃水质,全程不投饵,进行网箱培育大规格滤食性鱼种,立体养殖优质底层鱼类,从而获得高利润。试验共获成鱼22400公斤,产值105600元,利润58084元。1、材料和方法1.1 水环境 我县环城河水面约400亩,分为4块。我们选用县渔场的80亩河面。该水 The author in July 2000, using my county 80 acres of huanchenghe surface integrated fish farming test. The method is to use the fertile water quality around the Ring River, the whole does not feed bait, for cage cultivation of large-size filter-feeding species, three-dimensional culture of quality fish bottom, resulting in high profits. A total of 22400 kilograms of fish were tested, with a production value of 105,600 yuan and a profit of 58,084 yuan. 1, materials and methods 1.1 Water Environment I County Huchengcheng water surface of about 400 acres, divided into four. We use 80 acres of river fishing grounds. The water