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张志霞, 许明祥, 刘京, 李强
Spatial Variation and Reasonable Sampling Number of Soil Organic Carbon Under Different Geomorphic Types on the Loess Plateau
ZHANG Zhi-xia, XU Ming-xiang, LIU Jing, LI Qiang
自然资源学报 . 2014, (12): 2103 -2113 .  DOI: 10.11849/zrzyxb.2014.12.011