1江汉平原水稻生产概况江汉平原位于北纬31以南，地处长江中下游，拥有水田面积63．4万hm2占本区域耕地面积的50％以上，占湖北省水稻面积的30％以上，其水稻总产量占本区域粮食总量的80％以上，是湖北省稻米主要产区，也是全国的商品粮基地。本区域地处南北过渡地带，属亚热带 1 Jianghan Plain Rice Production Overview Jianghan Plain is located south of latitude 31 south, is located in the middle and lower reaches of the Yangtze River, with paddy field area of ​​634000 hm2 accounted for more than 50% of the cultivated land in the region, accounting for more than 30% of the rice area in Hubei Province, Its total output accounts for more than 80% of the total grain output in the region. It is the main rice-producing area in Hubei Province and also the national commodity grain base. The region is located in the north-south transition zone, a subtropical