Agricultural and Biological Sciences
3 years ago

Soil classification reveals organic carbon content, aiding climate change mitigation efforts.

South African Journal of Plant and Soil
Organic carbon content in the diagnostic horizons and materials of South African soil forms
C. W. van Huyssteen, N. R. Rantoa, C. C. du Preez

Paper Summary

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Soil classification in South Africa can help predict how much organic carbon is in the soil. The study looked at different types of soil and found that the top layer usually has more organic carbon than deeper layers. The amount of organic carbon can vary between different types of soil, but generally follows a pattern from highest to lowest: organic O > humic A > melanic A > vertic A > orthic A. This information can help estimate the organic carbon content in specific soil types.