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Preprints
https://doi.org/10.5194/egusphere-2024-1143
https://doi.org/10.5194/egusphere-2024-1143
06 May 2024
 | 06 May 2024

Biochar reduces early-stage mineralization rates of plant residues more in coarse than fine-texture soils – an artificial soil approach

Thiago M. Inagaki, Simon Weldon, Franziska B. Bucka, Eva Farkas, and Daniel P. Rasse

Abstract. Quantifying the impact of biochar on carbon persistence across soil textures is complex, owing to the variability in soil conditions. Using artificial soils with precise textural and mineral composition, we could disentangle the effects of biochar from the effects of soil particle size. We can show that biochar application significantly reduces early-stage carbon mineralization rates of plant residues in various soil textures (from 5 to 41 % clay) but more significantly in sandy soils. This finding suggests that biochar can compensate for the lack of clay in promoting C persistence in soil systems. This short report significantly contributes to understanding soil texture and biochar application interactions.

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Journal article(s) based on this preprint

04 Feb 2025
Biochar reduces early-stage mineralization rates of plant residues more in coarse-textured soils than in fine-textured soils – an artificial-soil approach
Thiago M. Inagaki, Simon Weldon, Franziska B. Bucka, Eva Farkas, and Daniel P. Rasse
SOIL, 11, 141–147, https://doi.org/10.5194/soil-11-141-2025,https://doi.org/10.5194/soil-11-141-2025, 2025
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The requested preprint has a corresponding peer-reviewed final revised paper. You are encouraged to refer to the final revised version.

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Here, we investigated how biochar, a potential C sequestration tool, affects early carbon...
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