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以“鱼鳌致富”的潢川，近年大搞2万个鱼塘改造，来年增产增收翻番，其冬改新法是：1浅改深，可结合冬修水利挖塘泥(须留底泥厚
In order to “fish rich” Huangchuan, in recent years engaged in 20,000 fish ponds to transform the next year doubled the yield increase, the winter to change the new law is: 1 shallow depth, can be combined with winter water conservancy digging pond mud