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2 研究区域站点生育期变化频率分布图

Fig. 2 Frequency distribution diagram of growth period change at stations in the study area