Changes of oxygen isotope values of soil P pools associated with changes in soil pH
dc.contributor.author
Pfahler, Verena
dc.contributor.author
Macdonald, Andy
dc.contributor.author
Mead, Andrew
dc.contributor.author
Smith, Andrew C.
dc.contributor.author
Tamburini, Federica
dc.contributor.author
Blackwell, Martin S.A.
dc.contributor.author
Granger, Steven J.
dc.date.accessioned
2020-02-17T09:04:18Z
dc.date.available
2020-02-15T09:23:42Z
dc.date.available
2020-02-17T09:04:18Z
dc.date.issued
2020
dc.identifier.issn
2045-2322
dc.identifier.other
10.1038/s41598-020-59103-2
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/399680
dc.identifier.doi
10.3929/ethz-b-000399680
dc.description.abstract
Field data about the effect of soil pH on phosphorus (P) cycling is limited. A promising tool to study P cycling under field conditions is the 18O:16O ratio of phosphate (δ18OP). In this study we investigate whether the δ18OP can be used to elucidate the effect of soil pH on P cycling in grasslands. Soils and plants were sampled from different fertilisation and lime treatments of the Park Grass long term experiment at Rothamsted Research, UK. The soils were sequentially extracted to isolate different soil P pools, including available P and corresponding δ18OP values were determined. We did not observe changes in plant δ18OP value, but soil P δ18OP values changed, and lower δ18OP values were associated with higher soil pH values. At sites where P was not limiting, available P δ18OP increased by up to 3‰ when lime was applied. We show that the δ18OP method is a useful tool to investigate the effect of pH on soil P cycling under field conditions as it highlights that different soil processes must govern P availability as pH shifts. The next challenge is now to identify these underlying processes, enabling better management of soil P at different pH.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Nature
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.title
Changes of oxygen isotope values of soil P pools associated with changes in soil pH
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2020-02-07
ethz.journal.title
Scientific Reports
ethz.journal.volume
10
en_US
ethz.journal.issue
1
en_US
ethz.journal.abbreviated
Sci Rep
ethz.pages.start
2065
en_US
ethz.size
9 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
London
ethz.publication.status
published
en_US
ethz.leitzahl
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03427 - Frossard, Emmanuel / Frossard, Emmanuel
ethz.leitzahl.certified
ETH Zürich::00002 - ETH Zürich::00012 - Lehre und Forschung::00007 - Departemente::02350 - Dep. Umweltsystemwissenschaften / Dep. of Environmental Systems Science::02703 - Institut für Agrarwissenschaften / Institute of Agricultural Sciences::03427 - Frossard, Emmanuel / Frossard, Emmanuel
ethz.date.deposited
2020-02-15T09:24:09Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2020-02-17T09:04:29Z
ethz.rosetta.lastUpdated
2024-02-02T10:25:51Z
ethz.rosetta.versionExported
true
ethz.COinS
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