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3 1961—2017年间不同生育时期作物需水量的变化（a.前期;b.中期;c.后期）

Fig. 3 Changes of crop water demand at different growth stages (a. Early stage; b. Middle stage; c. Late stage) from 1961 to 2017