Articles | Volume 18, issue 18
Biogeosciences, 18, 5035–5051, 2021
https://doi.org/10.5194/bg-18-5035-2021
Biogeosciences, 18, 5035–5051, 2021
https://doi.org/10.5194/bg-18-5035-2021

Research article 15 Sep 2021

Research article | 15 Sep 2021

Effect of organic carbon addition on paddy soil organic carbon decomposition under different irrigation regimes

Heleen Deroo et al.

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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse
  • RC1: 'Comment on bg-2021-53', Guanghui Yu, 17 Mar 2021
    • AC1: 'Reply on RC1', Heleen Deroo, 23 Apr 2021
  • RC2: 'Comment on bg-2021-53', Anonymous Referee #2, 21 Mar 2021
    • AC2: 'Reply on RC2', Heleen Deroo, 23 Apr 2021

Peer review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (07 May 2021) by Luo Yu
AR by Heleen Deroo on behalf of the Authors (10 May 2021)  Author's response    Author's tracked changes    Manuscript
ED: Referee Nomination & Report Request started (12 May 2021) by Luo Yu
RR by Guanghui Yu (13 May 2021)
RR by Anonymous Referee #2 (19 Jul 2021)
ED: Publish subject to technical corrections (28 Jul 2021) by Luo Yu
AR by Heleen Deroo on behalf of the Authors (03 Aug 2021)  Author's response    Manuscript

Post-review adjustments

AA: Author's adjustment | EA: Editor approval
AA by Heleen Deroo on behalf of the Authors (26 Aug 2021)   Author's adjustment   Manuscript
EA: Adjustments approved (14 Sep 2021) by Luo Yu
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Short summary
We assessed if and how incorporation of exogenous organic carbon (OC) such as straw could affect decomposition of native soil organic carbon (SOC) under different irrigation regimes. Addition of exogenous OC promoted dissolution of native SOC, partly because of increased Fe reduction, leading to more net release of Fe-bound SOC. Yet, there was no proportionate priming of SOC-derived DOC mineralisation. Water-saving irrigation can retard both priming of SOC dissolution and mineralisation.
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