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A controlled-release fertilizer improved soil fertility but not olive tree performance

2021Artigo científico Acesso aberto
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dc.contributor.authorSilva, Ermelinda
dc.contributor.authorArrobas, Margarida
dc.contributor.authorGonçalves, Alexandre
dc.contributor.authorMartins, Sandra
dc.contributor.authorRaimundo, Soraia
dc.contributor.authorPinto, Luís
dc.contributor.authorBrito, Cátia
dc.contributor.authorMoutinho-Pereira, José
dc.contributor.authorCorreia, Carlos M.
dc.contributor.authorRodrigues, M.A.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-23T12:02:54Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-23T12:02:54Z
dc.date.issued2021
dc.description.abstractThe use of a controlled-release fertilizer (CRF) was studied in a traditional rainfed olive grove in a Mediterranean climate where precipitation is very irregular, particularly in the spring. The objective of the study was to assess whether a CRF can improve the olive tree's performance compared to a conventional nitrogen (N) fertilizer (CF), by supplying N gradually and reducing the risk of potential N loss from leaching. The fertilized treatments showed better plant N nutritional status, which resulted in enhanced net photosynthesis and higher leaf concentrations of total soluble sugars, chlorophylls and soluble proteins which, in turn, increased olive yield by 43% in comparison to the unfertilized control. However, in general, no significant differences were found between fertilized treatments in the performance parameters of the trees evaluated, including olive yield. Somewhat unexpectedly, CRF consistently increased the soil organic carbon (C) (29%), kjeldahl-N (75%) and easily extractable glomalin-related soil proteins (EE-GRSP) (60%) and total GRSP (T-GRSP) (122%) compared to the CF. The result was ascribed to a stimulus on the development of herbaceous vegetation and eventually on the activity of the roots of the trees due to the higher soil inorganic-N availability in the autumn. Thus, some soil inorganic-N in the autumn seems to comprise a low risk of leaching, since weeds act as a catch crop and convert this inorganic N into an organic substrate, with potential benefits in the long-term for the agro-system.en_EN
dc.description.sponsorshipDoctoral fellowship under the Doctoral Program ‘‘Agricultural Production Chains—from fork to farm’’ (PD/00122/2012) provided by the FCT-Portuguese Foundation for Science and Technology to E. Silva (PD/BD/128274/2017). This research was funded by 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). The research was integrated in the activities of 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).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationSilva, Ermelinda; Arrobas, Margarida; Gonçalves, Alexandre; Martins, Sandra; Raimundo, Soraia; Pinto, Luis; Brito, Cátia; Moutinho-Pereira, José; Correia, Carlos M.; Rodrigues, M. Ângelo (2021). A controlled-release fertilizer improved soil fertility but not olive tree performance. Nutrient Cycling in Agroecosystems. ISSN 1385-1314. 120:1, p. 1-en_EN
dc.identifier.doi10.1007/s10705-021-10134-9en_EN
dc.identifier.issn13851314
dc.identifier.urihttp://hdl.handle.net/10198/24356
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationPD/00122/2012
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.subjectGlomalin-related soil proteinsen_EN
dc.subjectNet photosynthesisen_EN
dc.subjectNitrogen fertilizationen_EN
dc.subjectOlea europaeaen_EN
dc.subjectRelative water contenten_EN
dc.subjectSoil organic carbonen_EN
dc.titleA controlled-release fertilizer improved soil fertility but not olive tree performanceen_EN
dc.typejournal article
dspace.entity.typePublication
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.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.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameArrobas
person.familyNameRaimundo
person.familyNameRodrigues
person.givenNameMargarida
person.givenNameSoraia
person.givenNameManuel Ângelo
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.ciencia-id0C14-0903-C34B
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-4652-485X
person.identifier.orcid0000-0002-6505-1445
person.identifier.orcid0000-0002-5367-1129
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id8575728800
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.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.rightsopenAccessen_EN
rcaap.typearticleen_EN
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