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为探求罗非鱼高效养殖的新路子，推动北方地区罗非鱼养殖的开展，我们于２００２年进行了罗非鱼池塘高效养殖试验。现把试验情况报告如下。一、材料与方法１．池塘条件试验池塘为砀山县渔场鱼种塘一口，面积２００１米２，正方形，池深２米，水源为县环城河水，水质肥、无污染
In order to explore a new approach to efficient tilapia farming and to promote tilapia farming in the northern region, we conducted a pilot tilapia pond high-efficiency experiment in 2002. The test report is as follows. First, materials and methods 1. Pond ponds for test conditions for fishing ponds Dangshan County, an area of 2001 square meters, 2 meters deep pool, the water source for the county ring river water, fertilizer, pollution-free