Soil quality is a measure of the condition of soil relative to the requirements of one or more biotic species and or to any human need or purpose. According to the United States Department of Agriculture Natural Resources Conservation Service, "Soil quality is the capacity of a specific kind of soil to function, within natural or managed ecosystem boundaries, to sustain plant and animal productivity, maintain or enhance water and air quality, and support human health and habitation." The European Commission's Joint Research Centre proposed a definition, stating that "Soil quality is an account of the soil's ability to provide ecosystem and social services through its capacities to perform its functions under changing conditions."
Soil quality reflects how well a soil performs the functions of maintaining biodiversity and productivity, partitioning water and solute flow, filtering and buffering, nutrient cycling, and providing support for plants and other structures. Soil management has a major impact on soil quality.
- Dryland salinity
- Environmental soil science
- Soil biodiversity
- Soil carbon
- Soil health
- Soil policy (Victoria, Australia)
- Soil resilience
- Soil structure
- Soil water (retention)
- Soil value
- Johnson, D.L., S.H. Ambrose, T.J. Bassett, M.L. Bowen, D.E. Crummey, J.S. Isaacson, D.N. Johnson, P. Lamb, M. Saul, and A.E. Winter-Nelson. 1997. "Meanings of environmental terms". Journal of Environmental Quality 26: 581-589.
- Tóth, G., Stolbovoy, V. and Montanarella, 2007. "Soil Quality and Sustainability Evaluation - An integrated approach to support soil-related policies of the European Union", EUR 22721 EN. 40 pp. Office for Official Publications of the European Communities, Luxembourg. ISBN 978-92-79-05250-7.
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