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Thresholds of target phosphorus fertility classes in European fertilizer recommendations in relation to critical soil test phosphorus values derived from the analysis of 55 European long-term field experiments

hal.structure.identifierUniversity of Rostock
dc.contributor.authorSTEINFURTH, Kristin
hal.structure.identifierSwedish University of Agricultural Sciences = Sveriges lantbruksuniversitet [SLU]
dc.contributor.authorBÖRJESSON, Gunnar
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorDENOROY, Pascal
hal.structure.identifierUniversity of Rostock
dc.contributor.authorEICHLER-LÖBERMANN, Bettina
hal.structure.identifierInstitut für Chemie [Martin-Luther-Universität Halle-Wittenberg]
dc.contributor.authorGANS, Wolfgang
hal.structure.identifierLandesbetrieb für Straßenbau
dc.contributor.authorHEYN, Johannes
hal.structure.identifierAgroscope
dc.contributor.authorHIRTE, Juliane
hal.structure.identifierWalloon Agricultural Research Centre
dc.contributor.authorHUYGHEBAERT, Bruno
hal.structure.identifierAGroécologie, Innovations, teRritoires [AGIR]
dc.contributor.authorJOUANY, Claire
hal.structure.identifierLandesbetrieb für Straßenbau
dc.contributor.authorKOCH, Dierk
hal.structure.identifierVersuchsStollen Hagerbach AG [VSH]
dc.contributor.authorMERBACH, Ines
hal.structure.identifierAgricultural technology center Augustenberg
dc.contributor.authorMOKRY, Markus
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorMOLLIER, Alain
hal.structure.identifierInteractions Sol Plante Atmosphère [UMR ISPA]
dc.contributor.authorMOREL, Christian
hal.structure.identifierJulius Kühn-Institut - Federal Research Centre for Cultivated Plants [JKI]
dc.contributor.authorPANTEN, Kerstin
hal.structure.identifierMartin-Luther-Universität Halle Wittenberg [MLU]
dc.contributor.authorPEITER, Edgar
hal.structure.identifierRothamsted Research
dc.contributor.authorPOULTON, Paul
hal.structure.identifierHelmholtz Zentrum für Umweltforschung = Helmholtz Centre for Environmental Research [UFZ]
dc.contributor.authorREITZ, Thomas
hal.structure.identifierAarhus University [Aarhus]
dc.contributor.authorRUBÆK, Gitte Holton
hal.structure.identifierAustrian Agency for Health and Food Safety (AGES)
dc.contributor.authorSPIEGEL, Heide
hal.structure.identifierUniversity of Rostock
dc.contributor.authorVAN LAAK, Michael
hal.structure.identifierTechnical University of Munich and Helmholtz Center Munich
dc.contributor.authorVON TUCHER, Sabine
hal.structure.identifierUniversity of Rostock
dc.contributor.authorBUCZKO, Uwe
dc.date.accessioned2024-04-08T11:48:13Z
dc.date.available2024-04-08T11:48:13Z
dc.date.issued2022-07
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/195310
dc.description.abstractEnPhosphorus (P) fertilizer recommendations of individual countries may differ in many aspects, but often the main principle is to reach or maintain a target range of plant-available P in soil. Within this target P fertility class, the soil is expected to supply enough P to the crop, while P fertilization replaces what is exported by the harvested crop. However, the threshold values of the target P fertility classes are based on a multitude of different soil test P (STP) methods and vary by a factor of up to three, even for countries using the same STP method. This study aimed to provide a comparison of the thresholds of target P fertility classes of different European countries and critical soil test P values (Pcrit; STP below which the average relative yield falls below 95% due to P insufficiency) derived from the analysis of data from 55 long-term field experiments in eight European countries. To overcome the issue of diverging STP methods, all values were converted to Olsen-P using empirically based conversion equations from the literature. Converted threshold values varied by a factor of up to five. For the experimental data, we fitted multi-level Mitscherlich-type models to determine Pcrit values of unfertilized soils corresponding to 95% of maximum yield. We found an average Olsen-Pcrit value of 15 mg P kg−1 (adj. R² = 0.37; RMSE = 14.1% relative yield; n = 2368; 55 experiments), which lies far below several country-specific thresholds of target P fertility classes. Crop-specific analyses resulted in higher Olsen-Pcrit values for sugar beet (22 mg P kg−1), potato (19 mg P kg−1) and winter rapeseed (18 mg P kg−1). Among the texture classes (loam, sand, silt and clay), sandy soils exhibited the highest average Olsen-Pcrit value (22 mg P kg−1). We consider a reevaluation of extraordinarily high country-specific thresholds as well as an inclusion of crop type and soil texture (where not already implemented) to be a reasonable measure towards more cost-effective and environment-friendly P fertilization.
dc.language.isoen
dc.publisherElsevier
dc.subject.enPhosphorus
dc.subject.enOlsen-P
dc.subject.enFertilizer recommendation
dc.subject.enCritical soil test P
dc.subject.enP fertilization
dc.title.enThresholds of target phosphorus fertility classes in European fertilizer recommendations in relation to critical soil test phosphorus values derived from the analysis of 55 European long-term field experiments
dc.typeArticle de revue
dc.identifier.doi10.1016/j.agee.2022.107926
dc.subject.halSciences de l'environnement
bordeaux.journalAgriculture, Ecosystems & Environment
bordeaux.page107926
bordeaux.volume332
bordeaux.hal.laboratoriesInteractions Soil Plant Atmosphere (ISPA) - UMR 1391*
bordeaux.institutionBordeaux Sciences Agro
bordeaux.institutionINRAE
bordeaux.peerReviewedoui
hal.identifierhal-03598026
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-03598026v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Agriculture,%20Ecosystems%20&%20Environment&rft.date=2022-07&rft.volume=332&rft.spage=107926&rft.epage=107926&rft.au=STEINFURTH,%20Kristin&B%C3%96RJESSON,%20Gunnar&DENOROY,%20Pascal&EICHLER-L%C3%96BERMANN,%20Bettina&GANS,%20Wolfgang&rft.genre=article


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