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Olive yields and tree nutritional status during a four year period without nitrogen and boron fertilization

2011Journal article Open access
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dc.contributor.authorRodrigues, M.A.
dc.contributor.authorPavão, Francisco
dc.contributor.authorLopes, João
dc.contributor.authorGomes, Vanessa
dc.contributor.authorArrobas, Margarida
dc.contributor.authorMoutinho-Pereira, José
dc.contributor.authorRuívo, Sérgio
dc.contributor.authorCabanas, J.E.
dc.contributor.authorCorreia, Carlos M.
dc.date.accessioned2011-10-24T15:58:11Z
dc.date.available2011-10-24T15:58:11Z
dc.date.issued2011
dc.description.abstractNitrogen (N) and boron (B) are mobile elements in soil. Therefore, the application of these nutrients is typically performed annually, as a single dose, or even splitting it into several fractions in the case of N. In olive (Olea europaea L.), however, controversial literature has suggested that yearly application of N may not be required. In the case of B some authors indicated that one single application is sufficient for three or four years. Thus, the effect of these elements on olive yield, leaf N and B concentrations, as well as soil available N and B were investigated during a field trial performed in an olive orchard located in NE Portugal, in which N and B were not applied for four consecutive growing seasons. Fertilizer treatments consisted of the following: the control, which was a ‘complete’ fertilization plan where N and B were included (N+B treatment); –N treatment, with N excluded from the fertilization plan; and –B treatment, with B excluded. Available soil N and B were estimated from a pot experiment with Italian ryegrass (Lolium multiflorum L.) and from chemical laboratory extractions. Olive yield decreased significantly in the –N treatment in comparison to the control. A slight yield reduction in the –B treatment in comparison to the control was also observed. Leaf N and B concentrations decreased significantly in the –N and –B treatments, respectively, in comparison to the N+B treatment. Soil available N and B at the end of the experiment were significantly lower in the –N and –B treatments, respectively, in comparison to the N+B control. The results showed a continuous decrease in olive yield and leaf N and B concentrations, which reflected the reduction in soil available N and B in the treatments lacking the respective nutrient. Therefore, it seems prudent the recommendation of adjusted rates of N and B every year to prevent reduction in tree crop performance and improve nutrient use efficiency.por
dc.identifier.citationRodrigues, M. A.; Pavão, F.; Lopes, J. I.; Gomes, V.; Arrobas, M.; Moutinho-Pereira, J.; Ruívo, S.; Cabanas, J. E.; Correia, C. M. (2011). Olive yields and tree nutritional status during a four year period without nitrogen and boron fertilization. Communications in Soil Science and Plant Analysis. ISSN 0010-3624. 42:7, p. 803-814por
dc.identifier.doi10.1080/00103624.2011.552656
dc.identifier.issn0010-3624
dc.identifier.urihttp://hdl.handle.net/10198/6227
dc.language.isoengpor
dc.peerreviewedyespor
dc.relation.ispartofseries42;
dc.subjectBoron fertilizationpor
dc.subjectNitrogen fertilizationpor
dc.subjectOlea europaea Lpor
dc.subjectSoil boron availabilitypor
dc.subjectSoil nitrogen availabilitypor
dc.titleOlive yields and tree nutritional status during a four year period without nitrogen and boron fertilizationpor
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage814por
oaire.citation.issue7por
oaire.citation.startPage803por
oaire.citation.titleCommunications in Soil Science and Plant Analysispor
person.familyNameRodrigues
person.familyNameArrobas
person.givenNameManuel Ângelo
person.givenNameMargarida
person.identifier.ciencia-id371D-DF0D-8D68
person.identifier.ciencia-id971C-B85B-1EC0
person.identifier.orcid0000-0002-5367-1129
person.identifier.orcid0000-0002-4652-485X
person.identifier.ridO-1721-2016
person.identifier.scopus-author-id35270106800
person.identifier.scopus-author-id8575728800
rcaap.rightsopenAccesspor
rcaap.typearticlepor
relation.isAuthorOfPublication43621353-fa11-4559-9b24-27eba5ad3de0
relation.isAuthorOfPublicationd057ae6b-331c-4980-967d-0ce4fe1bcf8a
relation.isAuthorOfPublication.latestForDiscoveryd057ae6b-331c-4980-967d-0ce4fe1bcf8a

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