用高锰酸钾氧化法讨论了土壤活性碳库和碳库管理指数（CPMI）。
The active C pool and CPMI(C pool management index) of soils under different agricultural ecosystem were discussed using potassium permanganate oxidation in this paper.
表层土壤的总有机碳、活性碳、缓效性碳和惰效性碳含量都明显大于下层。
The contents of soil organic carbon, active carbon, slow carbon and resistant carbon is more in the surface soil than subsoil.
表层土壤的总有机碳、活性碳、缓效性碳和惰效性碳含量都明显大于下层。
The contents of soil organic carbon, active carbon, slow carbon and resistant carbon is more in the surface soil than subsoil.
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