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貴州喀斯特地區棕色石灰土與黃壤有機質剖麵分佈及穩定碳同位素組成差異 귀주객사특지구종색석회토여황양유궤질부면분포급은정탄동위소조성차이 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
