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dc.contributor.author
Dürr-Auster, Thilo
dc.contributor.author
Wiggenhauser, Matthias
dc.contributor.author
Zeder, Christophe
dc.contributor.author
Schulin, Rainer
dc.contributor.author
Weiss, Dominik J.
dc.contributor.author
Frossard, Emmanuel
dc.date.accessioned
2019-12-13T11:41:26Z
dc.date.available
2019-12-13T10:14:35Z
dc.date.available
2019-12-13T11:41:26Z
dc.date.issued
2019
dc.identifier.issn
1664-462X
dc.identifier.other
10.3389/fpls.2019.01382
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/385367
dc.identifier.doi
10.3929/ethz-b-000385367
dc.description.abstract
Organic fertilizer applications can contribute to Zinc (Zn) biofortification of crops. An enriched stable isotope source tracing approach is a central tool to further determine the potential of this biofortification measure. Here, we assessed the use of the widely available quadrupole single-collector ICPMS (Q-ICPMS, analytical error = 1% relative standard deviation) and the less accessible but more precise multicollector ICPMS as reference instrument (MC-ICPMS, analytical error = 0.01% relative standard deviation) to measure enriched Zn stable isotope ratios in soil–fertilizer–plant systems. The isotope label was either applied to the fertilizer (direct method) or to the soil available Zn pool that was determined by isotope ratios measurements of the shoots that grew on labeled soils without fertilizer addition (indirect method). The latter approach is used to trace Zn that was added to soils with complex insoluble organic fertilizers that are difficult to label homogeneously. To reduce isobaric interferences during Zn isotope measurements, ion exchange chromatography was used to separate the Zn from the sample matrix. The 67Zn:66Zn isotope ratios altered from 0.148 at natural abundance to 1.561 in the fertilizer of the direct method and 0.218 to 0.305 in soil available Zn of the indirect method. Analysis of the difference (Bland–Altman) between the two analytical instruments revealed that the variation between 67Zn:66Zn isotope ratios measured with Q-ICPMS and MC-ICPMS were on average 0.08% [95% confidence interval (CI) = 0.68%]. The fractions of Zn derived from the fertilizer in the plant were on average 0.16% higher (CI = 0.49%) when analyzed with Q- compared to MC-ICPMS. The sample matrix had a larger impact on isotope measurements than the choice of analytical instrument, as non-purified samples resulted on average 5.79% (CI = 9.47%) higher isotope ratios than purified samples. Furthermore, the gain in analytical precision using MC-ICPMS instead of Q-ICPMS was small compared to the experimental precision. Thus, Zn isotope measurements of purified samples measured with Q-ICPMS is a valid method to trace Zn sources in soil–fertilizer–plant systems. For the indirect source tracing approach, we outlined strategies to sufficiently enrich the soil with Zn isotopes without significantly altering the soil available Zn pool.
en_US
dc.format
application/pdf
en_US
dc.language.iso
en
en_US
dc.publisher
Frontiers Media
dc.rights.uri
http://creativecommons.org/licenses/by/4.0/
dc.subject
Zinc
en_US
dc.subject
Stable isotopes
en_US
dc.subject
Isotope dilution
en_US
dc.subject
Labelling
en_US
dc.subject
Soil
en_US
dc.subject
Organic fertilizer
en_US
dc.subject
Source tracing
en_US
dc.subject
Ryegrass
en_US
dc.title
The Use of Q-ICPMS to Apply Enriched Zinc Stable Isotope Source Tracing for Organic Fertilizers
en_US
dc.type
Journal Article
dc.rights.license
Creative Commons Attribution 4.0 International
dc.date.published
2019-11-13
ethz.journal.title
Frontiers in Plant Science
ethz.journal.volume
10
en_US
ethz.journal.abbreviated
Front. Plant Sci.
ethz.pages.start
1382
en_US
ethz.size
12 p.
en_US
ethz.version.deposit
publishedVersion
en_US
ethz.identifier.wos
ethz.identifier.scopus
ethz.publication.place
Lausanne
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
2019-12-13T10:14:41Z
ethz.source
SCOPUS
ethz.eth
yes
en_US
ethz.availability
Open access
en_US
ethz.rosetta.installDate
2019-12-13T11:41:39Z
ethz.rosetta.lastUpdated
2024-02-02T10:01:12Z
ethz.rosetta.versionExported
true
ethz.COinS
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