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dc.contributor.authorFEITOZA, J. R.pt_BR
dc.contributor.authorMENDES, A. M. S.pt_BR
dc.contributor.authorOLSZEVSKI, N.pt_BR
dc.contributor.authorCUNHA, T. J. F.pt_BR
dc.contributor.authorCORTEZ, J. W.pt_BR
dc.contributor.authorGIONGO, V.pt_BR
dc.identifier.citationAnais da Academia Brasileira de Ciências, Rio de Janeiro, v. 87, n. 1, p. 483-493, 2015.pt_BR
dc.descriptionThe purpose of this study was to evaluate the effects of organic farming of wine grapes under physical and chemical characteristics of Ultisol Brazil?s northeastern semiarid region. The samples of soil were collected from the row and interrow of the farming and from the fallow area, at the depths of 0.0-0.10, 0.10- 0.20, 0.20-0.30 and 0.30-0.60 m. The samples were collected at six and twelve months after the culture implementation to evaluate the state of aggregation, bulk density and total soil porosity, flocculation index and organic matter contents, calcium, magnesium, and sodium. The results were submitted to statistical analysis. The adoption of organic farming contributed to the soil aggregation process. The bulk density and total soil porosity did not differ significantly between the evaluations, but were within the critical limits for sandy soils. The index flocculation did not have a great influence on the aggregates formation, being this process influenced by organic matter. The period of one year was considered short to obtain conclusive results in improving the soil quality by organic farming, since there are difficulties in tropical soils in promoting significant increases in organic matter content in short time.pt_BR
dc.subjectQualidade do solopt_BR
dc.subjectUvas para vinhopt_BR
dc.subjectOrganic farmingpt_BR
dc.titlePhysical attributes of ultisol of Brazil's Northeastern semiarid under organic farming of wine grapes.pt_BR
dc.typeArtigo de periódicopt_BR
dc.subject.thesagroAgricultura Biológicapt_BR
dc.subject.nalthesaurusAggregate stabilitypt_BR
dc.subject.nalthesaurusSoil qualitypt_BR
dc.contributor.institutionJARDENIA R. FEITOSA, Universidade Federal de Viçosa; ALESSANDRA MONTEIRO SALVIANO MENDES, CPATSA; ELCI OLSZEVSKI, Universidade Federal do Vale do São Francisco/; TONY JARBAS FERREIRA CUNHA, CPATSA; JORGE W. CORTEZ, Universidade Federal da Grande Dourados; VANDERLISE GIONGO, CPATSA.pt_BR
Appears in Collections:Artigo em periódico indexado (CPATSA)

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