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Conversion equations between Olsen-P and other methods used to assess plant available soil phosphorus in Europe – A review

hal.structure.identifierUniversity of Rostock
dc.contributor.authorSTEINFURTH, Kristin
hal.structure.identifierAgroscope
dc.contributor.authorHIRTE, Juliane
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorMOREL, Christian
hal.structure.identifierUniversity of Rostock
dc.contributor.authorBUCZKO, Uwe
dc.date.accessioned2024-04-08T11:50:48Z
dc.date.available2024-04-08T11:50:48Z
dc.date.issued2021-11
dc.identifier.issn0016-7061
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195404
dc.description.abstractEnPlant available soil phosphorus contents are assessed by various different methods worldwide. The resulting country-specific methodology prohibits comparison or joint analysis of international data on yield response to soil P level. A change of the standard method would decrease comparability to older data, require new costly and time-consuming calibration and familiarization of advisory authorities and farmers. The use of conversion equations can allow the combination of data derived by different methods, but large differences between available equations question their reliability. The aim of this review is to provide a comprehensive overview of conversion options from P extracted by methods commonly used in Europe (acid ammonium acetate, acid ammonium acetate + EDTA, ammonium lactate, calcium acetate lactate, double lactate, H2O and Mehlich 3) to the widely used Olsen method. For a given method of soil P extraction, coefficients derived from different publications often vary by factors above two. Differences in coefficients can, at least to a certain degree, be attributed to variations in soil type, soil texture and especially pH range and carbonate contents of the soils of the according databases. In several studies, decreasing pH values increased Olsen-P values in relation to the other methods. Linear regressions are prone to bias by the right-skewed distribution of P values in most databases and therefore have to be handled with care on the lower end of the P level range. Even the option most appropriate for the soil and research purpose at hand can be a considerable source of error, therefore conversions should only be conducted if absolutely necessary.
dc.language.isoen
dc.publisherElsevier
dc.subject.enSoil test phosphorus
dc.subject.enOlsen P
dc.subject.enConversion equations
dc.subject.enSoil analysis
dc.title.enConversion equations between Olsen-P and other methods used to assess plant available soil phosphorus in Europe – A review
dc.typeArticle de revue
dc.identifier.doi10.1016/j.geoderma.2021.115339
dc.subject.halSciences de l'environnement
bordeaux.journalGeoderma
bordeaux.volume401
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-03307145
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03307145v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Geoderma&rft.date=2021-11&rft.volume=401&rft.eissn=0016-7061&rft.issn=0016-7061&rft.au=STEINFURTH,%20Kristin&HIRTE,%20Juliane&MOREL,%20Christian&BUCZKO,%20Uwe&rft.genre=article


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