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https://landenvkkr691.bravesites.com/entries/general/the-relevance-of-dirt-organic-matter
Zeng C., Wang S., Bai X., Li Y., Tian Y., Li Y., Wu L., Luo G. Soil disintegration development and spatial relationship analysis in a regular karst geomorphology, using RUSLE with GIS. Zeng J., Yue F.J., Wang Z.J.,