Clay minerals-organic matter interactions in relation to carbon stabilization in soils

Sarkar, Binoy and Singh, Mandeep and Mandal, Sanchita and Churchman, Gordon J. and Bolan, Nanthi S. (2018) Clay minerals-organic matter interactions in relation to carbon stabilization in soils. In: The Future of Soil Carbon. Elsevier Inc., pp. 71-86. ISBN 9780128116876

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Abstract

Stabilization of C in soil is important for minimizing greenhouse gas emission into the atmosphere and for improving the soil fertility. The physical, chemical, and biological properties of soil greatly influence the C protection capacity. Both the physical and chemical properties of soils are directly or indirectly governed by clay minerals, which are the most reactive soil particles. Apart from the amount of clays, clay types are also very important in protecting soil C. Clay minerals provide both permanent and variable surface charges and different specific surface areas that are crucial to determine the C protection capacity of soils. They form organo–mineral complexes, promote aggregate establishment, and protect soil organic matter against microbial decomposition. This chapter aims to provide an overview of the role of various clay minerals in protecting organic C in soils and highlights the mechanisms of C sequestration by clay minerals.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1100
Subjects:
ID Code:
148725
Deposited By:
Deposited On:
02 Nov 2020 09:35
Refereed?:
No
Published?:
Published
Last Modified:
01 Dec 2020 10:20