元江双季稻主要分布于海拔850米以下,年平均气温22—24℃的热坝区,原有面积三万二千多亩,现有面积二万五千三百多亩,是双季稻的老区。近年来,随着栽培制度的改革,优良品种的推广,耕作水平的提高,双季稻单产不断提高,1981年平均单产1836.7斤,1982年平均单产上升到1861斤, Yuanjiang double cropping rice is mainly distributed in hot dam area of ​​850 meters above sea level and annual average temperature of 22-24 ℃. The original area is 32,000 mu and the existing area is 25,300 mu, Old district. In recent years, with the reform of the cultivation system, the promotion of fine varieties and the improvement of cultivation level, the yield of double cropping rice has been continuously increased, with an average yield of 1,836.7 kg in 1981 and an average yield of 1861 kg in 1982,