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Soil and plant analyses to diagnose hop fields irregular growth

2020Journal article Open access
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dc.contributor.authorAfonso, Sandra
dc.contributor.authorArrobas, Margarida
dc.contributor.authorRodrigues, M.A.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-06-22T10:18:46Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-06-22T10:18:46Z
dc.date.issued2020
dc.description.abstractIn cultivated fields, patches of poorly developed vegetation often appear without a clear indication of what is affecting the growth of the plants. The purpose of this study was to investigate the causes behind these irregularities in the hop (Humulus lupulus L.) fields of NE Portugal which are greatly reducing crop yield and farmers’ profits and to provide guidance to farmers as to appropriate remedial action. Patches of different levels of plant development were selected within hop fields and categorized according to plant vigour (weak, fair and good). Several soil properties were determined and related to the plant nutritional status and dry matter yield of different parts of the plant (hops, leaves, stems). Data was subjected to analysis of variance and principal component analysis. The results suggest that crop yield is reduced mostly due to poor soil aeration and excessive soil and tissue Mn and Fe levels. The plants fromthe plots of weaker vigour seem to be particularly affected by toxic levels of Mn and the plants from the plots of fair vigour by Fe levels. pH, texture (clay content), cation exchange capacity and organic carbon seem to be other soil properties with some degree of influence on plant performance. From these results, farmers are advised to increase soil aeration by implementing a drainage systemand converting to a drip irrigation system, in addition to increasing soil pH by liming to reduce Mn toxicity.
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and European Regional Development Fund (ERDF) under Programme PT2020 for the financial support to CIMO (UIDB/00690/2020) and also the scholarship grant of Sandra Afonso (number BD/116593/2016) under the Programme PT2020 (UID/AGR/00690/2019).
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and European Regional Development Fund (ERDF) under Programme PT2020 for the financial support to CIMO (UIDB/00690/2020) and also the scholarship grant of Sandra Afonso (number BD/116593/2016) under the Programme PT2020 (UID/AGR/00690/2019).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationAfonso, Sandra; Arrobas, Margarida; Rodrigues, M. Ângelo (2020). Soil and Plant Analyses to Diagnose Hop Fields Irregular Growth. Journal of Soil Science and Plant Nutrition. ISSN 0718-9508. p. 1-15en_EN
dc.identifier.doi10.1007/s42729-020-00270-6en_EN
dc.identifier.issn0718-9508
dc.identifier.urihttp://hdl.handle.net/10198/22334
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.subjectHumulus lupulusen_EN
dc.subjectNutritional disordersen_EN
dc.subjectPlant growth and yielden_EN
dc.subjectSoil propertiesen_EN
dc.subjectWaterloggingen_EN
dc.titleSoil and plant analyses to diagnose hop fields irregular growthen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameAfonso
person.familyNameArrobas
person.familyNameRodrigues
person.givenNameSandra
person.givenNameMargarida
person.givenNameManuel Ângelo
person.identifier2791107
person.identifier.ciencia-idEE17-E2A7-CA4D
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-2464-8464
person.identifier.orcid0000-0002-4652-485X
person.identifier.orcid0000-0002-5367-1129
person.identifier.ridHNC-5440-2023
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id56033752100
person.identifier.scopus-author-id8575728800
person.identifier.scopus-author-id35270106800
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication53395c17-bdda-4f8d-ad73-728075e51889
relation.isAuthorOfPublicationd057ae6b-331c-4980-967d-0ce4fe1bcf8a
relation.isAuthorOfPublication43621353-fa11-4559-9b24-27eba5ad3de0
relation.isAuthorOfPublication.latestForDiscoveryd057ae6b-331c-4980-967d-0ce4fe1bcf8a

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