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Inorganic fertilization at high n rate increased olive yield of a rainfed orchard but reduced soil organic matter in comparison to three organic amendments

2021Journal article Open access
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dc.contributor.authorLopes, João Ilídio
dc.contributor.authorGonçalves, Alexandre
dc.contributor.authorBrito, Cátia
dc.contributor.authorMartins, Sandra
dc.contributor.authorPinto, Luís
dc.contributor.authorMoutinho-Pereira, José
dc.contributor.authorRaimundo, Soraia
dc.contributor.authorArrobas, Margarida
dc.contributor.authorRodrigues, M.A.
dc.contributor.authorCorreia, Carlos M.
dc.date.accessioned2018-02-19T10:00:00Z
dc.date.accessioned2021-11-23T17:44:56Z
dc.date.available2018-01-19T10:00:00Z
dc.date.available2021-11-23T17:44:56Z
dc.date.issued2021
dc.description.abstractStrategies for waste valorisation from domestic and agro-industrial activities must be pursued, and its use as a soil amendment is an interesting possibility. In this four-year study, the effect of applying municipal solid waste (MSW), farmyard manure (FYM), bottom wood ash supplemented with nitrogen (Ash + N), the inorganic fertilization common in the region (50 kg ha−1 N, P2O5 and K2O) (Control) and this inorganic fertilization supplemented with 70 kg N ha−1 (High N) was assessed in a rainfed olive grove planted in a shallow soil with low organic matter and managed with conventional tillage. The High N treatment significantly increased olive yield in comparison to the other treatments (165% more than MSW), and soil available N proved to be the main driver for tree productivity. MSW and FYM increased soil organic matter, as well as the levels of phosphorus and cation exchange capacity, leaving good indications for future production cycles, although during the four years of the study these treatments provided little N to the trees. The High N treatment significantly reduced soil organic matter (63% less than MSW). The result was attributed in part to the soil management system that did not allow the development of herbaceous vegetation, but also to an effect known as “added N interaction”, in which the excess of inorganic N in the soil might have contributed to accelerate the mineralization of native soil organic matter, an aspect that compromises the sustainability of this fertilization strategy. Although MSW and wood ash are sometimes associated with risks of environmental contamination with heavy metals, in this study the levels of heavy metals in soils and in plant tissues were not of concern.en_EN
dc.description.sponsorshipThis work 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) and supported 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).
dc.description.sponsorshipThis work 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) and supported 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).
dc.description.versioninfo:eu-repo/semantics/publishedVersionen_EN
dc.identifier.citationLopes, João I.; Gonçalves, Alexandre; Brito, Cátia; Martins, Sandra; Pinto, Luís; Moutinho-Pereira, José; Raimundo, Soraia; Arrobas, Margarida; Rodrigues, Manuel Ângelo; Correia, Carlos M. (2021). Inorganic fertilization at high n rate increased olive yield of a rainfed orchard but reduced soil organic matter in comparison to three organic amendments. Agronomy. ISSN 2073-4395. 11:11, p. 1-15en_EN
dc.identifier.doi10.3390/agronomy11112172en_EN
dc.identifier.urihttp://hdl.handle.net/10198/13546
dc.language.isoeng
dc.peerreviewedyesen_EN
dc.relationMountain Research Center
dc.relationCentre for the Research and Technology of Agro-Environmental and Biological Sciences
dc.subjectBottom wood ashen_EN
dc.subjectCircular economyen_EN
dc.subjectFarmyard manureen_EN
dc.subjectMunicipal soil wasteen_EN
dc.subjectOlea europaeaen_EN
dc.subjectOrganic manureen_EN
dc.subjectSoil organic matteren_EN
dc.titleInorganic fertilization at high n rate increased olive yield of a rainfed orchard but reduced soil organic matter in comparison to three organic amendmentsen_EN
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleMountain Research Center
oaire.awardTitleCentre for the Research and Technology of Agro-Environmental and Biological Sciences
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.familyNameRaimundo
person.familyNameArrobas
person.familyNameRodrigues
person.givenNameSoraia
person.givenNameMargarida
person.givenNameManuel Ângelo
person.identifier.ciencia-id0C14-0903-C34B
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.orcid0000-0002-6505-1445
person.identifier.orcid0000-0002-4652-485X
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.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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relation.isAuthorOfPublicationd057ae6b-331c-4980-967d-0ce4fe1bcf8a
relation.isAuthorOfPublication43621353-fa11-4559-9b24-27eba5ad3de0
relation.isAuthorOfPublication.latestForDiscovery43621353-fa11-4559-9b24-27eba5ad3de0
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