Variabilidade espacial das propriedades físicas e químicas do solo em áreas intensamente cultivadas

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dc.contributor.authorDe Mello, Gláucia [UNESP]
dc.contributor.authorBueno, Célia R. P. [UNESP]
dc.contributor.authorPereira, Gener T. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-27T11:21:50Z
dc.date.available2014-05-27T11:21:50Z
dc.date.issued2006-04-01
dc.description.abstractThe spatial variability of physical and chemical properties of soil were evaluated to provide subsidies for management of the agricultural input. The chemical variables: P, organic matter (OM), K, Ca, Mg, pH, CEC and base saturation (BS); and physical variables: sand and clay were analysed. Soil samples were collected at two depths (0-0.2 and 0.6-0.8 m) located at irregular mesh of sampling in the region of Monte Alto, in a Yellow-Red Podzol (Alfissolo) (PVA), under different managements, resulting in 88 points in 1465 ha of total area; and at the region of Jaboticabal in a Red Latosol (LV) cultivated with sugarcane, resulting in 128 points in 2597 ha of total area. The chemical and physical soil properties studied showed spatial dependence, except CEC in 0.6-0.8 m layer for LV; Ca and clay at 0-0.2 m layer and P, OM, K, Mg, sand and clay in 0.6-0.8 m layer for PVA. The chemical and physical variables studied were adjusted to spherical and exponential models and some of them showed semivariogram without defined structure. The PVA showed low spatial continuity of chemical and physical properties, mainly in 0.6-0.8 m layer, which suffers less antropic influence. The LV soil showed more homogenous zones of fertility and granulometric composition.en
dc.description.affiliationFCAV/UNESP, CEP 14884-900, Jaboticabal, SP
dc.description.affiliationUnespFCAV/UNESP, CEP 14884-900, Jaboticabal, SP
dc.format.extent294-305
dc.identifierhttp://dx.doi.org/10.1590/S1415-43662006000200008
dc.identifier.citationRevista Brasileira de Engenharia Agricola e Ambiental, v. 10, n. 2, p. 294-305, 2006.
dc.identifier.doi10.1590/S1415-43662006000200008
dc.identifier.file2-s2.0-33750370235.pdf
dc.identifier.issn1415-4366
dc.identifier.issn1807-1929
dc.identifier.scieloS1415-43662006000200008
dc.identifier.scopus2-s2.0-33750370235
dc.identifier.urihttp://hdl.handle.net/11449/68819
dc.language.isopor
dc.relation.ispartofRevista Brasileira de Engenharia Agrícola e Ambiental
dc.relation.ispartofjcr0.619
dc.relation.ispartofsjr0,541
dc.rights.accessRightsAcesso aberto
dc.sourceScopus
dc.subjectGeostatistic
dc.subjectGranulometric composition
dc.subjectSoil fertility
dc.titleVariabilidade espacial das propriedades físicas e químicas do solo em áreas intensamente cultivadaspt
dc.title.alternativeSpatial variability of physical and chemical properties of soil in intensively cultivated areasen
dc.typeArtigo
dcterms.licensehttp://www.scielo.br/revistas/rbeaa/paboutj.htm#a04
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Ciências Agrárias e Veterinárias, Jaboticabalpt

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