A Study on the Trade and External Dependence of Agricultural Products in China—Analysis and Evaluation Based on Virtual Land Resources
LIU Ai-min, XUE Li, CHENG Sheng-kui, QIANG Wen-li, YAGN Xiao, JIA Pan-na
JOURNAL OF NATURAL RESOURCES . 2017, (6): 915 -926 .  DOI: 10.11849/zrzyxb.20170306