气候变化背景下河北夏玉米生长季热量资源利用率时空变化

韩耀杰, 彭记永, 张溪荷, 李树岩

Spatial and temporal variations of heat resources utilization efficiency of summer maize in growth season under climate change in Hebei Province

HAN Yaojie, PENG Jiyong, ZHANG Xihe, LI Shuyan

图4 1981—2019年河北省不同年代夏玉米生长日数利用率空间分布（单位：%）

Fig.4 Spatial distribution of utilization rate of growth days of summer maize in Hebei Province in different decades from 1981 to 2019 （Unit： %）