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Physical Fractionation of Soil and Organic Matter in Primary Particle Size and Density Separates

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Advances in Soil Science

Part of the book series: Advances in Soil Science ((SOIL,volume 20))

Abstract

The soil organic matter (SOM) pool encompasses plant, animal, and microbial residues in all stages of decay and a diversity of heterogeneous organic substances intimately associated with inorganic soil components. The soil microbiota and fine roots may also be considered part of the SOM pool. The turnover of the different SOM components varies continuously due to the complex interaction of biological, chemical, and physical processes in soil. The complexity of SOM and its importance to soil fertility have challenged generations of soil scientists, and numerous studies, of which some date back more than two centuries (see historical review in Kononova, 1961), have covered a vast array of aspects of SOM.

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Christensen, B.T. (1992). Physical Fractionation of Soil and Organic Matter in Primary Particle Size and Density Separates. In: Stewart, B.A. (eds) Advances in Soil Science. Advances in Soil Science, vol 20. Springer, New York, NY. https://doi.org/10.1007/978-1-4612-2930-8_1

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