Increasing soil carbon levels has been raised as one of the methods we can utilise to offset carbon emissions. Soil carbon comes in 2 forms, inorganic forms such as calcium carbonate (lime) and organic forms. Soil organic carbon (SOC) is the carbon derived from plant residues in soils; living roots; biological organisms; and decomposing, decomposed and burnt material of varying sizes but does not include fresh undecomposed plant materials on the surface. SOC is a critical factor in soil health. The benefits of improving SOC levels include increased soil fertility, water holding capacity and improved soil structure. Improved structure leads to increased infiltration of water with higher levels of plant available water and more stable soil particles thereby reducing the potential for wind and water erosion. All of these lead to improved productivity, profitability and resilience to soil degradation.
The amount of organic carbon that can be stored in a soil is determined by:
Rural Solutions SA has been involved in soil modification projects for over 20 years and has an extensive network with landholders, contractors and NRM bodies with many active demonstration and trial sites. We have been integral to the development and provision of best practice guidelines for soil modification and are the leader in this field, not just in South Australia, but nationwide.
History of our recent focus on Soil Carbon:
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For more information contact: David Davenport