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dc.contributor.authorSALDANHA, E. C. M.
dc.contributor.authorSILVA JÚNIOR, M. L. da
dc.contributor.authorLINS, P. M. P.
dc.contributor.authorFARIAS, S. C. C.
dc.contributor.authorWADT, P. G. S.
dc.date.accessioned2018-03-13T00:35:29Z-
dc.date.available2018-03-13T00:35:29Z-
dc.date.created2018-03-12
dc.date.issued2017
dc.identifier.citationRevista Brasileira de Fruticultura, v. 39, n. 1, p. e-728, 2017.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1088958-
dc.descriptionThe assessment of the nutritional status of plants by leaf diagnosis such as the Diagnosis and Recommendation Integrated System (DRIS) has stood out among traditional methods of interpreting the results of plant tissue analysis. For coconut, nutritional monitoring through foliar analysis has been pointed as an efficient method for fertilizer recommendation, and the results have been traditionally interpreted using the critical level of sufficiency ranges criteria. The aim of this study was to evaluate the nutritional status and establish nutritional standards for the cultivation of hybrid coconut in the municipality of Moju, Pará, using DRIS. The leaf analysis and productivity results of 134 observations for the period 2001-2011 were used to form the database. The most common deficiencies found were lack of K, and possibly excess of Mg. The order of nutrient limitation was K> P> Ca> Fe> N> O> B> Zn> Cu> Mn> Mg. Ca, Fe and K nutrients are more likely to positively respond to fertilization, since Mg, Cu and Mn were diagnosed as having the greatest likelihood of negative response to fertilization. It was also found that N and P are elements that are in the best nutritional balance condition. Regression equations for the relationship between nutrient content in hybrid coconut leaves and its DRIS indexes were adjusted, which allowed establishing nutrient reference values based on DRIS.
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectLeaf analysis
dc.subjectDRIS indexes
dc.subjectAvaliação do estado nutricional
dc.subjectDiagnose foliar
dc.subjectSistema Integrado de Diagnose e Recomendação
dc.titleNutritional diagnosis in hybrid coconut cultivated in northeastern brazil through Diagnosis dnd Recommendation Integrated System (Dris).
dc.typeArtigo de periódico
dc.date.updated2018-03-13T00:35:29Zpt_BR
dc.subject.thesagroNutrição Vegetal
dc.subject.thesagroAnálise Foliar
dc.subject.nalthesaurusreference standardspt_BR
riaa.ainfo.id1088958
riaa.ainfo.lastupdate2018-03-12
dc.identifier.doihttp://dx.doi.org/10.1590/0100-29452017728
dc.contributor.institutionEDUARDO CÉZAR MEDEIROS SALDANHA, Docente, UFRA; MÁRIO LOPES DA SILVA JUNIOR, Docente, UFRA; PAULO MANOEL PONTES LINS, Docente, UFRA; SAMUEL CHRISTIAN COHEN FARIAS, Empresa SOCOCO; PAULO GUILHERME SALVADOR WADT, CPAF-Rondonia.
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