Progress in Geography, Volume. 39, Issue 3, 443(2020)
Fig. 5. 1960s—2000s中国玉米生长界线变化注:本图基于自然资源部标准地图服务网站下载的审图号为GS(2019)1697号的标准地图制作,底图无修改。下同。Fig.5
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Meijun ZHOU, Fei LI, Jiaqi SHAO, Haijuan YANG.
Received: Apr. 9, 2019
Accepted: --
Published Online: Sep. 16, 2020
The Author Email: LI Fei (lifei@nwu.edu.cn)