60年来我国主要粮食作物适宜生长区的时空分布
宁晓菊, 张丽君, 秦耀辰, 刘凯

Temporal-spatial Distribution of Suitable Areas for Major Food Crops in China Over 60 Years
Xiaoju Ning, Lijun Zhang, Yaochen Qin, Kai Liu
图1 主要粮食作物农业观测站分布
Fig1 Distribution of agricultural observation stations for major food crops