Controle estatístico aplicado ao processo de colheita mecanizada diurna e noturna de cana-de-açúcar

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dc.contributor.authorde Freitas Noronha, Rafael Henrique [UNESP]
dc.contributor.authorda Silva, Rouverson Pereira [UNESP]
dc.contributor.authorChioderoli, Carlos Alessandro [UNESP]
dc.contributor.authordos Santos, Edvaldo Pereira [UNESP]
dc.contributor.authorCassia, Marcelo Tufaile [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:14:28Z
dc.date.available2014-05-20T13:14:28Z
dc.date.issued2011-10-01
dc.description.abstractThe system of mechanized harvesting can seek process improvements using quality tools that can assist in reducing losses, damaged ratoons and increase the longevity of sugarcane crop. Therefore, the objective this study was to detect the effective control of the variability of losses and damage to ratoon and identify whether they are within acceptable standards. Thus, 40 points were sampled in two periods of harvest, diurnal and nocturnal, in rectangular grids (55 x 45 m) for determining visible losses (whole and shattered billets, fixed and loose piece, stump and shrapnel), using frames of 10 m(2). Also, we measured the height of cut and degree of damage to ratoon (without damage, partial injury and fragmentation). The statistic used was descriptive variables for the loss of sugarcane during the diurnal (D) and nocturnal (N) periods, analysis of variance using the F test at 5% probability and the Tukey test for comparison of the mean, also using the statistical control through charts process. There was no difference to ratoon damage. In the process of harvest, losses of whole and shattered billets by grinding were considered under control, so as losses from the stump. on the other hand, the losses of fixed piece, shrapnel and whole-cane were not controlled. The cutting height and total losses were higher during the nocturnal harvest. The charts were shown to be effective for the evaluation of control process of diurnal and nocturnal harvests.en
dc.description.affiliationFac Ciencias Agr & Vet Jaboticabal FCAV UNESP, Dept Engn Rural, Area Maquinas & Mecanizacao Agr, BR-14884900 Jaboticabal, SP, Brazil
dc.description.affiliationUnespFac Ciencias Agr & Vet Jaboticabal FCAV UNESP, Dept Engn Rural, Area Maquinas & Mecanizacao Agr, BR-14884900 Jaboticabal, SP, Brazil
dc.format.extent931-938
dc.identifierhttp://dx.doi.org/10.1590/S0006-87052011000400028
dc.identifier.citationBragantia. Campinas: Instituto Agronômico, v. 70, n. 4, p. 931-938, 2011.
dc.identifier.issn0006-8705
dc.identifier.lattes8183357481929077
dc.identifier.scieloS0006-87052011000400028
dc.identifier.urihttp://hdl.handle.net/11449/1935
dc.identifier.wosWOS:000301402900028
dc.language.isopor
dc.publisherInstituto Agronômico
dc.relation.ispartofBragantia
dc.relation.ispartofsjr0,555
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectvisible lossesen
dc.subjectharvesteren
dc.subjectQuality controlen
dc.titleControle estatístico aplicado ao processo de colheita mecanizada diurna e noturna de cana-de-açúcarpt
dc.title.alternativeStatistical control applied in the process of mechanical sugar cane harvest in the diurnal and nocturnal periodsen
dc.typeArtigo
dcterms.rightsHolderInstituto Agronômico
unesp.author.lattes8183357481929077
unesp.author.orcid0000-0001-8852-2548[2]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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Artigos - Engenharia Rural - FCAV