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要提高稻田养鱼产量和经济效益,必须对传统的养鱼方法进行改革。一改鱼沟鱼窝。鱼沟鱼窝的面积要求占稻田总面积的10％
To raise the fish production and economic benefits in paddy fields, we must reform the traditional method of fish farming. Change a fish ditch fish nest. The area of the fish-ditch fishpond accounts for 10% of the total area of the paddy field