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Abstract

A review of both the living and non-living components of soil organic matter (SOM) in the agricultural soils ofTasmania, Australia, and the relationship of SOM to the functions of soil has been undertaken. The relationshipsbetween soil organic carbon (SOC) and other inherent and dynamic soil properties of Tasmanian soils, SOCstocks, the components and the controlling factors are reviewed. The dynamic nature of SOM is reviewed astargets, rates of change and trends on different soil orders and under different management as well as thecorrelation to soil physical, chemical and biological properties. Information on macro fauna, meso fauna, fungiand bacteria is considered to acknowledge that SOM is a dynamic, changing resource that reflects the balancebetween the living components that add new organic matter and the loss of organic matter from the deadcomponent.

Item Type:	Article
Authors/Creators:	Cotching, WE
Keywords:	organic carbon, humus, biochar, dynamic, crop yield
Journal or Publication Title:	Geoderma
Publisher:	Elsevier Science Bv
ISSN:	0016-7061
DOI / ID Number:	https://doi.org/10.1016/j.geoderma.2017.10.006
Copyright Information:	Copyright 2017 Elsevier B.V.
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