1. Liu B Y, Yan B X, Shen B, et al. Current status and comprehensive control strategies of soil erosion for cultivated land in the Northeastern black soil area of China (in Chinese). Sci Soil Water Conserv, 2008, 6(1): 1–8
2. Yan B X, Tang J. Study on black soil erosion rate and the transformation of soil quality influenced by erosion (in Chinese). Geog Res, 2005, 24(4): 499–506
3. Xiong Y, Li Q K. Soil of China (in Chinese). Beijing: Science Press, 1990
4. National Soil Survey Office. Soil Taxonomy of China (in Chinese). Beijing: Agriculture Publishing Company of China, 1994
5. Lal R. Soil erosion impact on agronomic productivity and environment quality. Crit Rev Plant Sci, 1998, 17(4): 319–464