Models of soil organic matter dynamics: problems and perspectives

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Soil as a complex multifunctional open system is one of the most difficult object for modeling. In spite of serious achievements in the soil system modeling, existed models do not reflect all aspects and processes of soil organic matter mineralization and humification. The problems and “hot spots” in the modeling of the dynamics of soil organic matter and biophylous elements were identified on a base of creation and wide implementation of ROMUL and EFIMOD models. The following aspects are discussed: further theoretical background; improving the structure of models; preparation and uncertainty of the initial data; inclusion of all soil biota (microorganisms, micro- and meso-fauna) as factors of humification; impact of soil mineralogy on C and N dynamics; hydro-thermal regime and organic matter distribution in whole soil profile; vertical and horizontal migration of soil organic matter. An effective feedback from modellers to experimentalists is necessary to solve the listed problems.

Keywords: mathematic model, soil organic matter
Citation in English: Chertov O.G., Nadporozhskaya M.A. Models of soil organic matter dynamics: problems and perspectives // Computer Research and Modeling, 2016, vol. 8, no. 2, pp. 391-399
Citation in English: Chertov O.G., Nadporozhskaya M.A. Models of soil organic matter dynamics: problems and perspectives // Computer Research and Modeling, 2016, vol. 8, no. 2, pp. 391-399
DOI: 10.20537/2076-7633-2016-8-2-391-399
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