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Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures

2025Artigo científico Acesso aberto
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datacite.subject.fosCiências Naturais::Ciências da Terra e do Ambiente
datacite.subject.fosCiências Naturais::Outras Ciências Naturais
datacite.subject.sdg02:Erradicar a Fome
datacite.subject.sdg12:Produção e Consumo Sustentáveis
datacite.subject.sdg15:Proteger a Vida Terrestre
datacite.subject.sdg04:Educação de Qualidade
dc.contributor.authorArrobas, Margarida
dc.contributor.authorRaimundo, Soraia
dc.contributor.authorSawimbo, Almeida
dc.contributor.authorRodrigues, Nuno
dc.contributor.authorJongen, Marjan
dc.contributor.authorTeixeira, Ricardo F.M.
dc.contributor.authorDomingos, Tiago
dc.contributor.authorRodrigues, Manuel Ângelo
dc.date.accessioned2026-01-20T14:41:34Z
dc.date.available2026-01-20T14:41:34Z
dc.date.issued2025
dc.description.abstractReliable phosphorus (P) fertilization guidelines for Mediterranean pastures remain uncertain due to inconsistent soil testing methods, the complexity of mixed-species systems, and the neglect of other limiting nutrients. This study primarily aimed to identify reliable soil P tests and secondarily to explore potential nutrient limitations by assessing seven acidic Portuguese soils under Mediterranean conditions using subterranean clover (Trifolium subterraneum) and ryegrass (Lolium multiflorum) as model species. Five P extraction methods (Egner-Riehm, Olsen, Bray II, Mehlich I, and anion exchange resin) were compared alongside a pot experiment with clover, ryegrass, and their mixture. Biomass production, plant nutritional status, and soil-plant relationships were used to assess nutrient availability and plant response. The Egner-Riehm method proved the most reliable, showing linear correlation with the resin method (R2 = 0.89), widely regarded as the best indicator of soil P bioavailability. P availability was therefore not a limiting factor for biomass production. The lowest soil P content (54 mg kg-1 P2O5, Egner-Riehm) was close to the medium threshold (50-100 mg kg-1), yet plant growth indicated adequacy. In contrast, nitrogen (N) emerged as the main growth constraint, and boron (B) deficiency further restricted clover performance, confirming additional nutritional imbalances. A linear relationship between soil and tissue B supported its association with DMY, and tissue B levels were below sufficiency thresholds. Overall, in acidic Portuguese soils under Mediterranean conditions, soil P was adequate, whereas N and B acted as key constraints to productivity. These findings support more accurate and efficient fertilization strategies for Mediterranean pastures.eng
dc.description.sponsorshipThis work was supported by national funds through FCT/MCTES (PIDDAC), through the projects UIDB/50009/2025, UIDP/50009/2025, LA/P/0083/2020, UIDB/00690/2020 (https://doi.org/10.54499/UIDB/00690/2020), LA/P/0007/2020 (https://doi.org/10.54499/LA/P/0007/2020). It was also funded by project AVALON (COMPETE2030-FEDER- 02288900).
dc.identifier.citationArrobas, Margarida; Raimundo, Soraia; Sawimbo, Almeida; Rodrigues, Nuno; Jongen, Marjan; Teixeira, Ricardo F.M.; Domingos, Tiago; Rodrigues, Manuel Ângelo (2025). Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures. Sains Tanah - Journal of Soil Science and Agroclimatology. ISSN 2356-1424. 22:2, p. 444-456
dc.identifier.doi10.20961/stjssa.v22i2.108545
dc.identifier.issn2356-1424
dc.identifier.issn1412-3606
dc.identifier.urihttp://hdl.handle.net/10198/35546
dc.language.isoeng
dc.peerreviewedyes
dc.publisherUniversitas Sebelas Maret
dc.relationLaboratory of Robotics and Engineering Systems
dc.relationLARSyS - Laboratory of Robotics and Engineering Systems
dc.relationMountain Research Center
dc.relationAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
dc.relation.ispartofSAINS TANAH - Journal of Soil Science and Agroclimatology
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/
dc.subjectLolium multiflorum
dc.subjectPasture fertilization
dc.subjectResin-P
dc.subjectSoil phosphorus
dc.subjectTrifolium subterraneum
dc.titleEvaluating soil phosphorus tests and nutrient limitations in Mediterranean pastureseng
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleLaboratory of Robotics and Engineering Systems
oaire.awardTitleLARSyS - Laboratory of Robotics and Engineering Systems
oaire.awardTitleMountain Research Center
oaire.awardTitleAssociate Laboratory for Sustainability and Tecnology in Mountain Regions
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50009%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0083%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/LA%2FP%2F0007%2F2020/PT
oaire.citation.endPage456
oaire.citation.issue2
oaire.citation.startPage444
oaire.citation.titleSains Tanah – Journal of Soil Science and Agroclimatology
oaire.citation.volume22
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameArrobas
person.familyNameRaimundo
person.familyNameRodrigues
person.givenNameMargarida
person.givenNameSoraia
person.givenNameManuel Ângelo
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.ciencia-id0C14-0903-C34B
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-4652-485X
person.identifier.orcid0000-0002-6505-1445
person.identifier.orcid0000-0002-5367-1129
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id8575728800
person.identifier.scopus-author-id35270106800
project.funder.identifierhttp://doi.org/10.13039/501100001871
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project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
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