全球气候变暖对中国种植制度可能影响ⅩⅢ. 东北三省春玉米熟型调整的降水限制及其对产量的可能影响

李娥,赵锦,叶清,高继卿,杨晓光

The Possible Effects of Global Warming on Cropping Systems in China ⅫⅠ. Precipitation Limitation on Adjusting Maturity Cultivars of Spring Maize and Its Possible Influence on Yield in Three Provinces of Northeastern China

LI E,ZHAO Jin,YE Qing,GAO JiQing,YANG XiaoGuang

图5 1961—2017年敏感区玉米不同生育时期有效降水量满足率分布特征（a.时段Ⅰ有效降水量满足率;b.时段Ⅱ有效降水量满足率;c.有效降水量满足率K时段对比;1.前期;2.中期;3.后期）

Fig. 5 Distribution characteristics of effective precipitation satisfaction rate K in different growth stages of sensitive areas from 1961 to 2017 (a. Effective precipitation satisfaction rate in period i; b. the satisfaction rate of effective precipitation in period ii; c. comparison of effective precipitation satisfaction rate in k period; 1. Early stage; 2. Middle stage; 3. Late stage)