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Olive yield and physicochemical properties of olives and oil in response to nutrient application under rainfed conditions

2023Artigo científico Acesso aberto
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dc.contributor.authorSilva, Ermelinda
dc.contributor.authorGonçalves, Alexandre
dc.contributor.authorMartins, Sandra
dc.contributor.authorBrito, Cátia
dc.contributor.authorFerreira, Helena
dc.contributor.authorFerreira, Luís M.M.
dc.contributor.authorMoutinho-Pereira, José
dc.contributor.authorRodrigues, M.A.
dc.contributor.authorCorreia, Carlos M.
dc.date.accessioned2023-02-16T11:02:13Z
dc.date.available2023-02-16T11:02:13Z
dc.date.issued2023
dc.description.abstractThe effects of mineral fertilizers on the physicochemical properties of olives and oil under rainfed conditions is scarce. In this three-year study, the results of a nitrogen (N), phosphorus (P), potassium (K) and boron (B) fertilization trial carried out in a young rainfed olive grove and arranged as a nutrient omission trial are reported. The control consisted of the application of N, P, K and B (NPKB) and four other treatments corresponded to the removal of one of them (N0, P0, K0 and B0). Olive yield and several variables associated with the physicochemical properties of olives and oil were evaluated. The NPKB treatment increased olive yield compared to the treatment that did not receive N (N0). Although dependent on the climate conditions of the crop season, the NPKB treatment increased fruit weight and the pulp/pit ratio and its fruits tended to accumulate more oil than K0. However, the phenolics concentrations on fruits and oil tended to be lower. All olive oil samples were classified in the “extra virgin” category and all showed a decrease in its stability between 3 and 15 months of storage, regardless of treatment, especially in N0, P0 and B0 treatments. The results of the sensorial analysis indicate that all the oils fell into the medium fruitiness and greenly-fruity category. Only in P0 and B0 were defects detected, namely muddy sediment. Thus, this study seems to indicate the importance of N application, but also a balanced nutrient application and that further studies are needed, given the difficulty in finding clear trends in the response of measured variables to fertilizer treatments.pt_PT
dc.description.sponsorshipErmelinda Silva acknowledges the financial support provided by national funds through FCT -Portuguese Foundation for Science and Technology (PD/BD/128274/2017), under the Doctoral Programme “Agricultural Production Chains—from fork to farm” (PD/00122/2012) and from the European Social Funds and the Regional Operational Programme Norte 2020. This research was funded by the Operational Group “Novas práticas em olivais de sequeiro: estratégias de mitigação e adaptação às alterações climáticas”, funded by PT2020 and EAFRD (European Agricultural Fund for Rural Development). The authors are grateful to the Foundation for Science and Technology (FCT, Portugal) and FEDER under Programme PT2020 for financial support to CIMO (UIDB/00690/2020) and CITAB (UIDB/04033/2020) and also to AgriFood XXI Project, No. NORTE-01-0145-FEDER- 000041, co-financed by the European Regional Development Fund (ERDF) through NORTE 2020 (North Regional Operational Program 2014–2020). Ermelinda Silva also acknowledges the present financial support throughout project NORTE-06-3559-FSE-000103 funded by the Fundo Social Europeu (FSE) and FCT research unit Centre BIO R&D Unit (UIDB/05083/2020).pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationSilva, Ermelinda; Gonçalves, Alexandre; Martins, Sandra; Brito, Cátia; Ferreira, Helena; Ferreira, Luís M.M.; Moutinho-Pereira, José; Rodrigues, M.A.; Correia, Carlos M. (2023). Olive yield and physicochemical properties of olives and oil in response to nutrient application under rainfed conditions. Molecules. ISSN 1420-3049. 28:2, p. 1-18pt_PT
dc.identifier.doi10.3390/molecules28020831pt_PT
dc.identifier.issn1420-3049
dc.identifier.urihttp://hdl.handle.net/10198/26985
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherMDPIpt_PT
dc.relationMitigation measures to improve physiology and productivity of olive trees under abiotic stresses
dc.relationMountain Research Center
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.relationCentre Bio: Biorefineries, Bioindustries and Bioproducts
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectOlea europaea L.pt_PT
dc.subjectNitrogenpt_PT
dc.subjectPhosphoruspt_PT
dc.subjectPotassiumpt_PT
dc.subjectBoronpt_PT
dc.subjectFruit and oil qualitypt_PT
dc.subjectPhenolic quantificationpt_PT
dc.subjectOil storagept_PT
dc.subjectSensorial analysispt_PT
dc.titleOlive yield and physicochemical properties of olives and oil in response to nutrient application under rainfed conditionspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardNumberPD/BD/128274/2017
oaire.awardNumberUIDB/00690/2020
oaire.awardNumberUIDB/04033/2020
oaire.awardNumberUIDB/05083/2020
oaire.awardTitleMitigation measures to improve physiology and productivity of olive trees under abiotic stresses
oaire.awardTitleMountain Research Center
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
oaire.awardTitleCentre Bio: Biorefineries, Bioindustries and Bioproducts
oaire.awardURIinfo:eu-repo/grantAgreement/FCT//PD%2FBD%2F128274%2F2017/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F00690%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04033%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F05083%2F2020/PT
oaire.citation.issue2pt_PT
oaire.citation.startPage831pt_PT
oaire.citation.titleMoleculespt_PT
oaire.citation.volume28pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameRodrigues
person.givenNameManuel Ângelo
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-5367-1129
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id35270106800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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