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呼市郊区西菜园公社六、七队,有一个面积四亩的小鱼塘,从一九七○年开始养鱼,一九七二年起捕捞,每年有捕有放,现根据捕放情况谈谈小面积丰产塘放养密度的问题。
There are six small fish ponds covering an area of four mu in the sixth and seventh teams of the Western Vegetable Garden Commune in the outskirts of Hohhot. Fish have been started from 1970 and are being harvested since 1972. Catches and grazes are released annually, Talk about stocking density of small area high yield pond.