An elementary multistage discrete model of soil organic matter transformations with a continuous scale of stability

Sergey I. Bartsev and Aleksei A. Pochekutov

Ecological Modelling, 2019, vol. 393, issue C, 61-65

Abstract: The proposed elementary mathematical model of formation and decomposition of soil organic matter (SOM) is based on using equations of chemical kinetics to describe the multistage process of SOM transformation. The model both describes each step of transformation in accordance with the law of mass action and postulates the trend of increasing stability of the matter towards further transformation, which is common for all steps. Analysis of the model demonstrates that it is extremely difficult to construct a realistic model of SOM dynamics by assembling elementary models of the type presented in this study into the full description of SOM transformation processes.

Keywords: Soil organic matter; Model of soil organic matter transformations; Kinetics of soil organic matter transformations (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:ecomod:v:393:y:2019:i:c:p:61-65

DOI: 10.1016/j.ecolmodel.2018.12.012

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