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Impact of different irrigation methods on the main chemical characteristics of Typical Mediterranean Fluvisols in Portugal

2023-08Journal article Open access
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dc.contributor.authorTelo da Gama, José
dc.contributor.authorLópez-Piñeiro, António
dc.contributor.authorLoures, Luis
dc.contributor.authorNunes, José Rato
dc.date.accessioned2023-10-30T10:33:08Z
dc.date.available2023-10-30T10:33:08Z
dc.date.issued2023-08
dc.description.abstractThe sustainable management of Mediterranean agricultural soils, characterized by salinization and low organic matter content, requires a thorough understanding of their temporal and spatial evolution. The focal point of this investigation encompasses an area of 6769 ha within the Portuguese Mediterranean basin, from which as many as 686 topsoil specimens were acquired during the periods 2001/2002 and 2011/2012 for the purpose of scrutinizing soil organic matter (SOM) content, pH measured in water, and electrical conductivity (EC). The methodology employed both classical and geostatistical techniques, and the terrestrial samples were classified in accordance with the irrigation mechanisms in use (namely, drip and sprinkler systems), subsequently juxtaposed with their counterparts in rainfed systems. Predictive maps were generated using the Ordinary Kriging algorithm for spatial interpolation. The findings demonstrate that irrigated Fluvisols displayed lower SOM content compared to rainfed soils, with sprinkler-irrigated soils experiencing a 16.1% decrease and drip-irrigated soils showing a more pronounced 26.6% decrease. Moreover, drip-irrigated soils contained 12.5% less SOM compared to sprinkler-irrigated soils. The pH levels stabilized at around 6.6 in both rainfed and irrigated soils, with no significant differences observed between the irrigation methods. Furthermore, irrigated Fluvisols exhibited higher EC values compared to rainfed soils, with both sprinkler and drip-irrigated soils showing values that were 35.2% higher. These results underscore the impact of irrigation practices on soil properties, including elevated EC values due to increased soil salt accumulation. The study highlights the necessity of considering specific irrigation systems and associated practices to ensure sustainable soil health and productivity. Adopting management approaches that account for these factors is crucial for preserving optimal soil conditions in Mediterranean agricultural systems.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.3390/agronomy13082097pt_PT
dc.identifier.eissn2073-4395
dc.identifier.urihttp://hdl.handle.net/10400.1/20102
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationResearch Center for Endogenous Resource Valorization
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectSoil organic matterpt_PT
dc.subjectMediterranean soilspt_PT
dc.subjectSalinizationpt_PT
dc.subjectDrip irrigationpt_PT
dc.subjectSprinkler irrigationpt_PT
dc.subjectRainfed agriculturept_PT
dc.subjectPHpt_PT
dc.subjectElectrical conductivitypt_PT
dc.subjectSustainable soil managementpt_PT
dc.titleImpact of different irrigation methods on the main chemical characteristics of Typical Mediterranean Fluvisols in Portugalpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleResearch Center for Endogenous Resource Valorization
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05064%2F2020/PT
oaire.citation.issue8pt_PT
oaire.citation.startPage2097pt_PT
oaire.citation.titleAgronomypt_PT
oaire.citation.volume13pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameLoures
person.givenNameLuis
person.identifier.ciencia-idA81B-A514-56DF
person.identifier.orcid0000-0002-6611-3417
person.identifier.scopus-author-id55890417300
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationc09e418f-4b78-484c-9abc-18ce1a6508be
relation.isAuthorOfPublication.latestForDiscoveryc09e418f-4b78-484c-9abc-18ce1a6508be
relation.isProjectOfPublicationd82a6f4a-5edf-4001-851f-0706ade8ae45
relation.isProjectOfPublication.latestForDiscoveryd82a6f4a-5edf-4001-851f-0706ade8ae45

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