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Degradation and Spatial Variability of Soil Organic Matter at Different Scales in Grazed Semi-arid Grasslands of Northern China

Martin Wiesmeier

出版	Shaker, 2010
ISBN	38322942799783832294274
URL	http://books.google.com.hk/books?id=QS8bYAAACAAJ&hl=&source=gbs_api