Articles | Volume 9, issue 1
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

Data sets

Supplementary material to: Quality Assessment of Meta-Analyses on Soil Organic Carbon Fohrafellner, Julia; Zechmeister-Boltenstern, Sophie; Murugan, Rajasekaran; Valkama, Elena

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.