Publicação
Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures
| Resumo: | Reliable 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. |
|---|---|
| Autores principais: | Arrobas, Margarida |
| Outros Autores: | Raimundo, Soraia; Sawimbo, Almeida; Rodrigues, Nuno; Jongen, Marjan; Teixeira, Ricardo F.M.; Domingos, Tiago; Rodrigues, Manuel Ângelo |
| Assunto: | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| Ano: | 2025 |
| País: | Portugal |
| Tipo de documento: | artigo |
| Tipo de acesso: | acesso aberto |
| Instituição associada: | Instituto Politécnico de Bragança |
| Idioma: | inglês |
| Origem: | Biblioteca Digital do IPB |
| _version_ | 1863851324011970560 |
|---|---|
| author | Arrobas, Margarida |
| author2 | Raimundo, Soraia Sawimbo, Almeida Rodrigues, Nuno Jongen, Marjan Teixeira, Ricardo F.M. Domingos, Tiago Rodrigues, Manuel Ângelo |
| author2_role | author author author author author author author |
| author_facet | Arrobas, Margarida Raimundo, Soraia Sawimbo, Almeida Rodrigues, Nuno Jongen, Marjan Teixeira, Ricardo F.M. Domingos, Tiago Rodrigues, Manuel Ângelo |
| author_role | author |
| contributor_name_str_mv | Biblioteca Digital do IPB |
| country_str | PT |
| creators_json_str | [{\"Person.name\":\"Arrobas, Margarida\",\"Person.identifier.orcid\":\"0000-0002-4652-485X\"},{\"Person.name\":\"Raimundo, Soraia\",\"Person.identifier.orcid\":\"0000-0002-6505-1445\"},{\"Person.name\":\"Sawimbo, Almeida\"},{\"Person.name\":\"Rodrigues, Nuno\"},{\"Person.name\":\"Jongen, Marjan\"},{\"Person.name\":\"Teixeira, Ricardo F.M.\"},{\"Person.name\":\"Domingos, Tiago\"},{\"Person.name\":\"Rodrigues, Manuel Ângelo\",\"Person.identifier.orcid\":\"0000-0002-5367-1129\"}] |
| datacite.contributors.contributor.contributorName.fl_str_mv | Biblioteca Digital do IPB |
| datacite.creators.creator.creatorName.fl_str_mv | Arrobas, Margarida Raimundo, Soraia Sawimbo, Almeida Rodrigues, Nuno Jongen, Marjan Teixeira, Ricardo F.M. Domingos, Tiago Rodrigues, Manuel Ângelo |
| datacite.date.Accepted.fl_str_mv | 2025-01-01T00:00:00Z |
| datacite.date.available.fl_str_mv | 2026-01-20T14:41:34Z |
| datacite.date.embargoed.fl_str_mv | 2026-01-20T14:41:34Z |
| datacite.rights.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| datacite.subjects.subject.fl_str_mv | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| datacite.titles.title.fl_str_mv | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| dc.contributor.none.fl_str_mv | Biblioteca Digital do IPB |
| dc.creator.none.fl_str_mv | Arrobas, Margarida Raimundo, Soraia Sawimbo, Almeida Rodrigues, Nuno Jongen, Marjan Teixeira, Ricardo F.M. Domingos, Tiago Rodrigues, Manuel Ângelo |
| dc.date.Accepted.fl_str_mv | 2025-01-01T00:00:00Z |
| dc.date.available.fl_str_mv | 2026-01-20T14:41:34Z |
| dc.date.embargoed.fl_str_mv | 2026-01-20T14:41:34Z |
| dc.format.none.fl_str_mv | application/pdf |
| dc.identifier.none.fl_str_mv | http://hdl.handle.net/10198/35546 |
| dc.language.none.fl_str_mv | eng |
| dc.publisher.none.fl_str_mv | Universitas Sebelas Maret |
| dc.rights.cclincense.fl_str_mv | http://creativecommons.org/licenses/by-nc/4.0/ |
| dc.rights.none.fl_str_mv | http://purl.org/coar/access_right/c_abf2 |
| dc.subject.none.fl_str_mv | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| dc.title.fl_str_mv | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| dc.type.none.fl_str_mv | http://purl.org/coar/resource_type/c_6501 |
| description | Reliable 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. |
| dirty | 0 |
| eu_rights_str_mv | openAccess |
| format | article |
| fulltext.url.fl_str_mv | https://bibliotecadigital.ipb.pt/bitstreams/8469a70b-cfe8-4fe6-bf67-269817f6d0ab/download |
| funding.funder.alternateName_str_mv | FCT FCT FCT FCT |
| funding.funder.identifier_str_mv | http://doi.org/10.13039/501100001871 http://doi.org/10.13039/501100001871 http://doi.org/10.13039/501100001871 http://doi.org/10.13039/501100001871 |
| funding.funder.name_str_mv | Fundação para a Ciência e a Tecnologia Fundação para a Ciência e a Tecnologia Fundação para a Ciência e a Tecnologia Fundação para a Ciência e a Tecnologia |
| funding.name_str_mv | 6817 - DCRRNI ID 6817 - DCRRNI ID 6817 - DCRRNI ID 6817 - DCRRNI ID |
| id | ipb_94cb9def519bc58a4e2d2dd63b16aaf3 |
| identifier.url.fl_str_mv | http://hdl.handle.net/10198/35546 |
| instacron_str | ipb |
| institution | Instituto Politécnico de Bragança |
| instname_str | Instituto Politécnico de Bragança |
| language | eng |
| network_acronym_str | ipb |
| network_name_str | Biblioteca Digital do IPB |
| oai_identifier_str | oai:bibliotecadigital.ipb.pt:10198/35546 |
| organization_str_mv | urn:organizationAcronym:ipb |
| person_str_mv | Arrobas, Margarida Arrobas, Margarida https://www.ciencia-id.pt/971C-B85B-1EC0 971C-B85B-1EC0 http://orcid.org/0000-0002-4652-485X 0000-0002-4652-485X Raimundo, Soraia Raimundo, Soraia https://www.ciencia-id.pt/0C14-0903-C34B 0C14-0903-C34B http://orcid.org/0000-0002-6505-1445 0000-0002-6505-1445 Sawimbo, Almeida Rodrigues, Nuno Jongen, Marjan Teixeira, Ricardo F.M. Domingos, Tiago Rodrigues, Manuel Ângelo Rodrigues, Manuel Ângelo https://www.ciencia-id.pt/371D-DF0D-8D68 371D-DF0D-8D68 http://orcid.org/0000-0002-5367-1129 0000-0002-5367-1129 |
| publishDate | 2025 |
| publisher.none.fl_str_mv | Universitas Sebelas Maret |
| reponame_str | Biblioteca Digital do IPB |
| repository_id_str | urn:repositoryAcronym:ipb |
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| spelling | engUniversitas Sebelas MaretengReliable 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.application/pdfengEvaluating soil phosphorus tests and nutrient limitations in Mediterranean pasturesPersonalArrobas, MargaridaDSpacehttp://dspace.org/items/d057ae6b-331c-4980-967d-0ce4fe1bcf8aDSpacehttp://dspace.org/items/d057ae6b-331c-4980-967d-0ce4fe1bcf8aArrobasMargaridaCiência IDhttps://www.ciencia-id.pt971C-B85B-1EC0ORCIDhttp://orcid.org0000-0002-4652-485XScopus Author IDhttps://www.scopus.com8575728800PersonalRaimundo, SoraiaDSpacehttp://dspace.org/items/22b68b4c-d245-4abe-8048-0921d1fa397fDSpacehttp://dspace.org/items/22b68b4c-d245-4abe-8048-0921d1fa397fRaimundoSoraiaCiência IDhttps://www.ciencia-id.pt0C14-0903-C34BORCIDhttp://orcid.org0000-0002-6505-1445Sawimbo, AlmeidaRodrigues, NunoJongen, MarjanTeixeira, Ricardo F.M.Domingos, TiagoPersonalRodrigues, Manuel ÂngeloDSpacehttp://dspace.org/items/43621353-fa11-4559-9b24-27eba5ad3de0DSpacehttp://dspace.org/items/43621353-fa11-4559-9b24-27eba5ad3de0RodriguesManuel ÂngeloCiência IDhttps://www.ciencia-id.pt371D-DF0D-8D68ORCIDhttp://orcid.org0000-0002-5367-1129Researcher IDhttps://www.researcherid.comO-1721-2016Scopus Author IDhttps://www.scopus.com35270106800HostingInstitutionOrganizationalBiblioteca Digital do IPBe-mailmailto:dspace@ipb.ptdspace@ipb.ptISSNIsPartOf2356-1424ISSNIsPartOf1412-3606DOIIsPartOf10.20961/stjssa.v22i2.1085452026-01-20T14:41:34Z20252025-01-01T00:00:00ZHandlehttp://hdl.handle.net/10198/35546http://purl.org/coar/access_right/c_abf2open accessLolium multiflorumPasture fertilizationResin-PSoil phosphorusTrifolium subterraneum1422348 bytesFundação para a Ciência e a TecnologiaLaboratory of Robotics and Engineering Systems6817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaLARSyS - Laboratory of Robotics and Engineering Systems6817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaMountain Research Center6817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871Fundação para a Ciência e a TecnologiaAssociate Laboratory for Sustainability and Tecnology in Mountain Regions6817 - DCRRNI IDCrossref Funder IDhttp://doi.org/10.13039/501100001871literaturehttp://purl.org/coar/resource_type/c_6501journal article2025http://creativecommons.org/licenses/by-nc/4.0/http://purl.org/coar/access_right/c_abf2application/pdffulltexthttps://bibliotecadigital.ipb.pt/bitstreams/8469a70b-cfe8-4fe6-bf67-269817f6d0ab/downloadSains Tanah – Journal of Soil Science and Agroclimatology222444456 |
| spellingShingle | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures Arrobas, Margarida Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| subject.fl_str_mv | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| title | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| title_full | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| title_fullStr | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| title_full_unstemmed | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| title_short | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| title_sort | Evaluating soil phosphorus tests and nutrient limitations in Mediterranean pastures |
| topic | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| topic_facet | Lolium multiflorum Pasture fertilization Resin-P Soil phosphorus Trifolium subterraneum |
| url | http://hdl.handle.net/10198/35546 |
| visible | 1 |