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Articles | Volume 7, issue 2
Articles | Volume 7, issue 2
https://doi.org/10.5194/soil-7-363-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/soil-7-363-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 7, issue 2
Original research article
 | 
06 Jul 2021
Original research article |  | 06 Jul 2021

Aluminous clay and pedogenic Fe oxides modulate aggregation and related carbon contents in soils of the humid tropics

Maximilian Kirsten, Robert Mikutta, Didas N. Kimaro, Karl-Heinz Feger, and Karsten Kalbitz

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Short summary
Mineralogical combinations of aluminous clay and pedogenic Fe oxides revealed significant effects on soil structure and related organic carbon (OC) storage. The mineralogical combination resulting in the largest aggregate stability does not better preserve OC during conversion of forests into croplands. Structural changes in the direction of smaller mean weight diameters do not cancel out the stabilizing effect of soil minerals.
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