根据1973年10月在苏州召开的全国水稻科研协作现场会议的统一布局,为鉴定南方稻区部分省、市提供的中籼良种在我省中部地区的适应性和丰产性,我院进行了此项田间试验。试点海拔1140M,年平均温度15.3℃,年降雨量1100～1200毫米。今年水稻生育期间(4至9月),温度 According to the unified layout of the national rice scientific collaboration site meeting held in Suzhou in October 1973, in order to identify the adaptability and high yield of middle-grade indica varieties provided by some provinces and cities in the southern rice area in the central region of our province, Field test Pilot elevation of 1140M, the annual average temperature of 15.3 ℃, the annual rainfall of 1100 ~ 1200 mm. This year during rice growth (April to September), temperature