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Large chestnut trees (Castanea sativa) respond poorly to liming and fertilizer application

2020Journal article Open access
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dc.contributor.authorRodrigues, M.A.
dc.contributor.authorRaimundo, Soraia
dc.contributor.authorPereira, Abel
dc.contributor.authorArrobas, Margarida
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2020-06-22T10:18:45Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2020-06-22T10:18:45Z
dc.date.issued2020
dc.description.abstractEstablishing a fertilization plan for large trees is particularly difficult due to the high soil volume that the roots exploit and the buffer effect of the perennial woody structure on the concentration of nutrients in the leaves. This work evaluates the response of chestnut, a very large tree, to different fertilizer solutions. The study was conducted in two chestnut orchards planted in acid soils that were subjected to the application of lime plus phosphorus (Lime+P), lime plus a compound NPK fertilizer (Lime+NPK), and an unfertilized control (Control). The effects of the treatments on soil properties, nutritional status and photosynthetic performance of the trees, and nut production, were assessed from field and laboratory analyses. Liming significantly increased soil pH and exchangeable calcium (Ca). Treatments did not significantly influence leaf P and K levels, although leaf N concentrations were significantly higher in the Lime+NPK treatment on two of the three sampling dates. In one of the trials, the average accumulated nut yield was higher in the Lime+NPK (71.7 kg tree−1) treatment compared with the control (59.6 kg tree−1) and the Lime+P (51.7 kg tree−1) treatments, although without significant differences at P < 0.05. Overall, the results show the chestnut tree to be a species tolerant of soil acidity. The results also show that the buffer capacity of the plant in regulating the nutrient concentration in the leaves seems to be higher for P than for N, and therefore, concentrations of N in the leaves require the regular application of the nutrient as a fertilizer.
dc.description.sponsorshipThe authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UID/AGR/00690/2015) and FEADER (The European Agricultural Fund for Rural Development) through the project CMP122 - PDR2020-101-030981 – EGIS, Estratégias para uma Gestão Integrada do Solo e da Água em Espécies Produtoras de Frutos Secos. We also thank João Paulo Roxo and Carlos Lopes for allowing the experiments to be conducted on their farms.
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationRodrigues, M. Ângelo; Raimundo, Soraia; Pereira, Abel; Arrobas, Margarida (2020). Large chestnut trees (Castanea sativa) respond poorly to liming and fertilizer application. Journal of Soil Science and Plant Nutrition. ISSN 0718-9508. p. 1-10en_EN
dc.identifier.doi10.1007/s42729-020-00210-4en_EN
dc.identifier.issn0718-9508
dc.identifier.urihttp://hdl.handle.net/10198/22333
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationCMP122 - PDR2020-101-030981
dc.subjectChlorophyll fluorescenceen_EN
dc.subjectNDVIen_EN
dc.subjectNut yielden_EN
dc.subjectPlant nutritional statusen_EN
dc.subjectSoil acidityen_EN
dc.subjectSPAD readingsen_EN
dc.titleLarge chestnut trees (Castanea sativa) respond poorly to liming and fertilizer applicationen_EN
dc.typejournal article
dspace.entity.typePublication
person.familyNameRodrigues
person.familyNameRaimundo
person.familyNameArrobas
person.givenNameManuel Ângelo
person.givenNameSoraia
person.givenNameMargarida
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.ciencia-id0C14-0903-C34B
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.orcid0000-0002-5367-1129
person.identifier.orcid0000-0002-6505-1445
person.identifier.orcid0000-0002-4652-485X
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id35270106800
person.identifier.scopus-author-id8575728800
rcaap.rightsopenAccessen_EN
rcaap.typearticleen_EN
relation.isAuthorOfPublication43621353-fa11-4559-9b24-27eba5ad3de0
relation.isAuthorOfPublication22b68b4c-d245-4abe-8048-0921d1fa397f
relation.isAuthorOfPublicationd057ae6b-331c-4980-967d-0ce4fe1bcf8a
relation.isAuthorOfPublication.latestForDiscovery22b68b4c-d245-4abe-8048-0921d1fa397f

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