EN中文
A GIS Based Study on the Grain Productivity and Potential Yield Increase at Multi-levels in China
FENG Zhi-ming, YANG Yan-zhao, ZHANG Jing, WANG Xiu-fen
JOURNAL OF NATURAL RESOURCES . 2007, (5): 747 -755 .  DOI: 10.11849/zrzyxb.2007.05.009