DIFFERENCE IN STABLE CARBON ISOTOPE COMPOSITION AND PROFILE DISTRIBUTION OF SOIL ORGANIC MATTER BETWEEN BROWN LIMESTONE SOIL AND YELLOW SOIL IN KARST AREAS OF GUIZHOU PROVINCE

 
  • 贵州喀斯特地区棕色石灰土与黄壤有机质剖面分布及稳定碳同位素组成差异
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