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利用 2口共计 2 668平方米的池塘进行乌鳢精养 ,其结果 ;净产乌鳢 5 5 75公斤 ,增重倍数为 6.0 7。投入 65 0 90元 ,产出 10 92 2 7.99元 ,投入产出比为 1:1.68。
A total of 2 668 square meters of ponds were used for intensive cultivation of Osmunda nobilis. The results were as follows: a net yield of 5 5 75 kg and a multiple of gain of 6.0 7 were obtained. Invested 65 0 90 yuan, the output of 10 92 2 7.99 yuan, input-output ratio of 1: 1.68.