PDF(2770 KB)
Spatial Pattern and Topogr aphic Control of China's Agricultural Productivity Variability
YAN Huimin, LIU Jiyuan, CAO Mingkui
Acta Geographica Sinica ›› 2007, Vol. 62 ›› Issue (2) : 171-180.
PDF(2770 KB)
PDF(2770 KB)
Spatial Pattern and Topogr aphic Control of China's Agricultural Productivity Variability
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