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SOIL | Volume 5, issue 1
SOIL, 5, 15–32, 2019
https://doi.org/10.5194/soil-5-15-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
SOIL, 5, 15–32, 2019
https://doi.org/10.5194/soil-5-15-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.

Original research article 15 Jan 2019

Original research article | 15 Jan 2019

Global meta-analysis of the relationship between soil organic matter and crop yields

Emily E. Oldfield et al.
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Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer review completion
AR: Author's response | RR: Referee report | ED: Editor decision
ED: Revision (25 Oct 2018) by Cornelia Rumpel
AR by Emily Oldfield on behalf of the Authors (13 Nov 2018)  Author's response    Manuscript
ED: Publish as is (07 Dec 2018) by Cornelia Rumpel
ED: Publish as is (09 Dec 2018) by Johan Six(Executive Editor)
AR by Emily Oldfield on behalf of the Authors (10 Dec 2018)  Author's response    Manuscript
Post-review adjustments
AA: Author's adjustment | EA: Editor approval
AA by Emily Oldfield on behalf of the Authors (02 Jan 2019)   Author's adjustment   Manuscript
EA: Adjustments approved (11 Jan 2019) by Cornelia Rumpel
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Short summary
In this paper, we quantify the global-level relationship between soil organic matter and crop yield. We find that greater concentrations of soil organic matter are associated with greater yields and that increases in yields saturate around 2 % SOC. Using the relationship that we generate, we then provide an estimate of the potential for soil organic matter management to reduce global yield gaps for two of the most important staple crops (maize and wheat) grown worldwide.
In this paper, we quantify the global-level relationship between soil organic matter and crop...
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