黄淮海麦玉两熟区周年光温资源优化配置研究进展

周宝元, 葛均筑, 孙雪芳, 韩玉玲, 马玮, 丁在松, 李从锋, 赵明

Research advance on optimizing annual distribution of solar and heat resources for double cropping system in the Yellow-Huaihe-Haihe Rivers plain

ZHOU Bao-Yuan, GE Jun-Zhu, SUN Xue-Fang, HAN Yu-Ling, MA Wei, DING Zai-Song, LI Cong-Feng, ZHAO Ming

表2 冬小麦-夏玉米高产模式周年积温分配

Table 2 Annual accumulated temperature distribution for winter wheat-summer maize cropping systems

地点 Site 冬小麦Winter wheat 夏玉米Summer maize 周年Annual 积温 AT (°C) 分配率 TDR (%) 积温 AT (°C) 分配率 TDR (%) 积温 AT (°C) 两季比 TR 河南Henan 2346.2 a 43 3142.3 a 57 5488.6 a 0.7 山东Shandong 2263.6 b 43 2983.0 b 57 5245.8 b 0.7 河北Hebei 2135.0 c 43 2865.9 c 57 5000.9 c 0.7