本文试从气候因素和耕作制度两方面对夏谷区划作初步探讨。一、不同生态区气候因素对夏谷区试的影响通常按播种期把谷子分为春谷和夏谷。夏谷通常是麦收后复播的。我省谷子复播地区多分布在晋中中南部、晋东南中南部、吕梁南部、临汾和运城的平川水地。夏谷生育期比较短。实践证明,在温度高湿度大的6—7月份,早种一天就能早收几天,甚至上午种和下午种的也不一样。这是由于谷子本身的 This article tries to discuss the summer valley district from two aspects of climatic factors and farming system. First, the impact of climate factors in different ecoregions on the summer Valley trial usually divided the millet into Spring Valley and summer valley according to the sowing date. Summer Valley is usually received after the broadcast of wheat harvest. My province millet replay areas are located in central and southern Jinzhong, southeastern Shanxi, southern Luliang, Linfen and Yuncheng Pingchuan water. Summer Valley relatively short period of growth. Practice has proved that in the high temperature and humidity in June-July, early morning one day will be able to close early days, and even the morning species and afternoon species are not the same. This is due to millet itself