鄱阳湖平原是我国主要的商品粮基地 ,由于该地区属于亚热带湿润季风气候区 ,雨量充沛 ,暴雨和大暴雨十分频繁 ,或遇长江水倒灌 ,常导致 7月中旬的洪涝灾害。为了避洪、增产、增收 ,减少洪涝灾害损失 ,我们从筛选早稻短生育期品种入手 ,引进各地品种 ,于 2 0 0 0年在江西省瑞昌 Poyang Lake Plain is China’s main commodity grain base. Due to the subtropical humid monsoon climate zone, abundant rainfall, heavy rainfall and torrential rains or intrusion into the Yangtze River often lead to floods in mid-July. In order to avoid floods, increase production, increase income and reduce losses of flood disasters, we start with short-sowing early rice varieties to be introduced, introducing varieties from all over the country in 2000 in Ruichang, Jiangxi Province