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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
JOURNAL OF NATURAL RESOURCES . 2014, (12): 2103 -2113 .  DOI: 10.11849/zrzyxb.2014.12.011