Soil organic carbon : a foundational indicator of soil health
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"Soil organic carbon (SOC) is the carbon component of soil organic matter (SOM), excluding inorganic carbon forms like carbonates. It is derived from decomposing plant and animal residues, root exudates, and microbial biomass (Lehmann & Kleber, 2015). Soil organic carbon generally makes up about 58% of SOM and is a vital indicator of soil fertility, biological activity, and nutrient cycling. Soil organic carbon is quantified using methods such as dry combustion (e.g., LECO analyzer for loss on ignition) or wet oxidation (e.g., Walkley-Black). For calcareous soil, SOC= Total C - Inorganic C, such as carbonates (Soil Health Institute). The University of Missouri Soil Health Assessment Center measures SOC using a LECO Analyzer for loss on ignition." -- first page
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Archive version. For the most recent information see extension.missouri.edu.
OpenAccess.
OpenAccess.
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This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 License.
Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.
Provided for historical documentation only. Check Missouri Extension and Agricultural Experiment Station websites for current information.