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1990～1992年在大安市叉干乡开发改造一口285亩的天然盐碱泡沼用以养鱼,亩净产商品鱼20.48 kg,纯利润60.19元,成本利润率为1.0537,投入产出比2.0537,使原来无任何价值的盐碱荒泡提高了经济效益。
From 1992 to 1992, a 285-acre natural saline-alkali bubble marsh was developed and rebuilt in Dagan Township, Daan City for fish farming. The net profit of the product fish was 20.48 kg and the net profit was 60.19 yuan. The cost-to-profit ratio was 1.0537. The input-output ratio was 2.0537 , So that the original saline-alkali scouring without any value to improve economic efficiency.