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Effects of machinery trafficking in an agricultural soil assessed by electrical resistivity tomography (ERT)

2018Journal article Open access
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dc.contributor.authorGarcía-Tomillo, Aitor
dc.contributor.authorFigueiredo, Tomás de
dc.contributor.authorDafonte, Jorge
dc.contributor.authorAlmeida, Arlindo
dc.contributor.authorPaz-González, Antonio
dc.date.accessioned2019-01-16T10:42:52Z
dc.date.available2019-01-16T10:42:52Z
dc.date.issued2018
dc.description.abstractSoil compaction is a serious problem, which is aggravated due to its difficulty to locate and reverse. Electrical resistivity tomography (ERT) is a non-invasive geophysical method that can be used to identify compacted areas, soil horizon thickness and assess soil physical properties. This study assesses the relationship between ERT and soil compaction. Data were collected on a 4-m transect in a fallow plot located at Braganca (Portugal). Measurements were performed before and after tillage and tractor passage. Soil samples at different depths (0-0.05, 0.05-0.1 and 0.1-0.2 m depth) were taken to determine: soil bulk density, porosity, saturated hydraulic conductivity and soil water content. The effect of tillage and tractor passage was more significant on the first 0.05 m depth. In the wheel track areas, ERT suffered a reduction of about 40%, saturated hydraulic conductivity decreased by 70% and bulk density increased by 24%. These results proved that ERT can be a useful tool for assessing soil compaction.pt_PT
dc.description.sponsorshipAuthors thank the “Agrupación Europea de Cooperación Territorial Galicia - Norte de Portugal” (Programa IACOBUS) for the funding. We also thank Dr. José M. Mirás-Avalos, from the University of Santiago de Compostela, for his useful comments on the manuscript.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationGarcía-Tomillo, Aitor; Figueiredo, Tomás de; Dafonte Dafonte, Jorge; Almeida, Arlindo; Paz-González, Antonio (2018). Effects of machinery trafficking in an agricultural soil assessed by electrical resistivity tomography (ERT). Open Agriculture. ISSN 2391-9531. 3:1, p. 378-385pt_PT
dc.identifier.doi10.1515/opag-2018-0042pt_PT
dc.identifier.issn2391-9531
dc.identifier.urihttp://hdl.handle.net/10198/18493
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectElectrical resistivity tomographypt_PT
dc.subjectSaturated hydraulic conductivitypt_PT
dc.subjectSoil compactionpt_PT
dc.subjectTillagept_PT
dc.titleEffects of machinery trafficking in an agricultural soil assessed by electrical resistivity tomography (ERT)pt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage385pt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage378pt_PT
oaire.citation.titleOpen Agriculturept_PT
oaire.citation.volume3pt_PT
person.familyNameFigueiredo
person.familyNameAlmeida
person.givenNameTomás d'Aquino
person.givenNameArlindo
person.identifier1297327
person.identifier.ciencia-id961D-607D-51CC
person.identifier.ciencia-idF91B-D395-4C34
person.identifier.orcid0000-0001-7690-8996
person.identifier.orcid0000-0003-2724-2504
person.identifier.scopus-author-id54790554500
person.identifier.scopus-author-id14120668500
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublicationdb897e48-ecf7-4ce1-ba27-369260337510
relation.isAuthorOfPublication219f1dcf-2196-48d0-bbce-fbd14deacf9c
relation.isAuthorOfPublication.latestForDiscoverydb897e48-ecf7-4ce1-ba27-369260337510

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