Articles | Volume 9, issue 2
https://doi.org/10.5194/soil-9-443-2023
https://doi.org/10.5194/soil-9-443-2023
Original research article
 | 
31 Jul 2023
Original research article |  | 31 Jul 2023

Tropical Andosol organic carbon quality and degradability in relation to soil geochemistry as affected by land use

Sastrika Anindita, Peter Finke, and Steven Sleutel

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Short summary
This study investigated how land use, through its impact on soil geochemistry, might indirectly control soil organic carbon (SOC) content in tropical volcanic soils in Indonesia. We analyzed SOC fractions, substrate-specific mineralization, and net priming of SOC. Our results indicated that the enhanced formation of aluminum (hydr)oxides promoted aggregation and physical occlusion of OC, which is consistent with the lesser degradability of SOC in agricultural soils.