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2003年笔者在忻州市代县进行了稻田养鱼试验,取得了一定的成效,现将试验情况介绍如下。一、自然条件代县位于山西省中北部,滹沱河贯穿全境,水源充沛,水质优良,全年日照时数2600小时左右,大于10℃积温3000℃左右,无霜期150天左右。全县共有稻田面积3万余亩,适宜开展稻田养鱼的面
In 2003, the author conducted a trial of paddy fish farming on behalf of the county in Xinzhou City, and achieved some success. The test conditions are as follows. First, the natural conditions Dai County is located in the central and northern Shanxi Province, Hutuo River runs through the whole territory, plenty of water, good water quality, the annual sunshine hours 2600 hours, more than 10 ℃ accumulated temperature of about 3000 ℃, frost-free period of about 150 days. The county has a total area of more than 30000 acres of rice fields, suitable for paddy fish farming surface