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2004年我们在本市大容山六洋水库脚下的平山村六洋河口开发区18公顷连片渔场中选择两口池塘,A塘面积12亩作为养殖脆肉鲩所用,B塘面积4.5亩作为培育大规格鱼种塘。取得了较好的经济效益,现将试验情况总结如下:一、材料与方法(一)材料1.A、B池塘四周为水泥沙批砌塘基,塘深2.5米,?
In 2004, we selected two ponds in the 18 hectares of contiguous fishing grounds in the Poyang Village, Pingshan Village, at the foot of the Liuyang Reservoir in the foot of Dayun Mountain in the city. A pond covers an area of 12 mu and is used for farming crispiness. The area of B pond is 4.5 mu. Fish species ponds. Achieved good economic benefits, the test is summarized as follows: First, materials and methods (a) material 1.A, B ponds around the pond for the construction of sand gravel pond, pond 2.5 meters deep?