Articles | Volume 9, issue 1
https://doi.org/10.5194/soil-9-117-2023
https://doi.org/10.5194/soil-9-117-2023
Review article
 | 
21 Feb 2023
Review article |  | 21 Feb 2023

Quality assessment of meta-analyses on soil organic carbon

Julia Fohrafellner, Sophie Zechmeister-Boltenstern, Rajasekaran Murugan, and Elena Valkama

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Latest update: 23 Jun 2024
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Short summary
The number of meta-analyses in agriculture and soil sciences is continuously rising, but they are often of poor quality. We quantitatively analyzed the quality of 31 meta-analyses studying the effects of different management practices on soil organic carbon (SOC). We found that only one meta-analysis on no tillage/reduced tillage obtained a high score. New or improved meta-analyses on the effects of organic agriculture, biochar, fertilization, and crop diversification on SOC are urgently needed.