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Stability and composition of different soluble soil organic matter fractions - evidence from delta C-13 and FTIR signatures


, : Stability and composition of different soluble soil organic matter fractions - evidence from delta C-13 and FTIR signatures. Geoderma 128(1-2): 28-37

Carbon turnover models are used to estimate changes in soil organic matter (SOM) content caused by management or land use. A limitation of most of these models is that their conceptual C-pools generally do not correspond to experimentally verifiable organic matter (OM) fractions. Our intention was to isolate OM fractions different in solubility and to identify their composition and their stability. The latter was done to find out if they could be used to evaluate the conceptual C-pools.

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