Speciation and distribution of P associated with Fe and Al oxides in aggregate-sized fraction of an arable soil

Jiang, X.; Bol, R.; Willbold, S.; Vereecken, H.; Klumpp, E.

doi:https://doi.org/10.5194/bg-12-6443-2015

Articles | Volume 12, issue 21

https://doi.org/10.5194/bg-12-6443-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/bg-12-6443-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 12, issue 21

Research article

|

11 Nov 2015

Research article |

| 11 Nov 2015

Speciation and distribution of P associated with Fe and Al oxides in aggregate-sized fraction of an arable soil

X. Jiang, R. Bol, S. Willbold, H. Vereecken, and E. Klumpp

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Final revised paper (published on 11 Nov 2015)
Preprint (discussion started on 02 Jul 2015)
Supplement to the preprint

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC C3919: 'Interesting but need discussion on the methodology', Anonymous Referee #2, 30 Jul 2015
- AC C5513: 'Author comment to RC C3919', Xiaoqian Jiang, 18 Sep 2015
RC C4964: 'linkage between the study and broader scale thinking', Anonymous Referee #3, 05 Sep 2015
- AC C5516: 'Author comment to RC C4964', Xiaoqian Jiang, 18 Sep 2015
RC C5662: 'Comments', Anonymous Referee #4, 23 Sep 2015

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (Editor review) (29 Sep 2015) by Yakov Kuzyakov

AR by Xiaoqian Jiang on behalf of the Authors (21 Oct 2015) Author's response Manuscript

ED: Publish as is (23 Oct 2015) by Yakov Kuzyakov

Short summary

Overall P content increased with decreasing size of soil aggregate-sized fractions. The relative distribution and speciation of varying P forms were independent of particle size. The majority of alkaline extractable P was in the amorphous Fe/Al oxide fraction, most of which was orthophosphate. Significant amounts of monoester P were also bound to these oxides. Residual P contained similar amounts of P occluded in amorphous and crystalline Fe oxides. This P may be released by FeO dissolution.