Atributos químicos de latossolo vermelho submetido a diferentes manejos

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dc.contributor.authorde Freitas, Ludmila [UNESP]
dc.contributor.authorCasagrande, José Carlos
dc.contributor.authorde Oliveira, Ivanildo Amorim [UNESP]
dc.contributor.authorCampos, Milton César Costa
dc.contributor.authorde Oliveira, Vinícius Mendes Rodrigues [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.contributor.institutionUniversidade Federal de São Carlos (UFSCar)
dc.contributor.institutionUniversidade Federal do Amazonas, Instituto de Educação, Agricultura e Ambiente
dc.date.accessioned2022-04-28T19:01:23Z
dc.date.available2022-04-28T19:01:23Z
dc.date.issued2015-01-01
dc.description.abstractThe removal of natural vegetation for establishing an agricultural system may lead to soil imbalances according to management system used. Three adjacent areas were selected in Guariba, SP, Brazil, for the purpose of studying changes in a Latossolo Vermelho Distrófico (oxisol) caused by continuous cropping of sugarcane. In each area, four samples were collected in the 0.0-0.10 m and 0.10-0.20 m soil layers. The following chemical properties were evaluated: pH, organic matter (OM), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), aluminum (Al), potential acidity (H+Al), and aluminum saturation (m%); and the values of the sum of bases (SB), cation exchange capacity (CEC), and base saturation (V%). Cluster analyses and principal components allowed identification the formation of three groups, made up of native forest, reforested area, and the area planted to sugarcane. Results indicate that intensive use of the soil altered its chemical properties. Multivariate analysis techniques showed that the main properties related to the environment in the native forest area were organic matter, potential acidity, aluminum saturation, and aluminum. In the sugarcane area the properties were Mg, Ca, V%, BS, SB, and CEC. The reforested area was in an intermediate position between the native forest and sugarcane environments.en
dc.description.affiliationUniversidade Estadual Paulista Júlio de Mesquita Filho
dc.description.affiliationUniversidade Federal de São Carlos, Centro de Ciências Agrárias
dc.description.affiliationUniversidade Federal do Amazonas, Instituto de Educação, Agricultura e Ambiente
dc.description.affiliationUnespUniversidade Estadual Paulista Júlio de Mesquita Filho
dc.format.extent229-240
dc.identifierhttp://dx.doi.org/10.5380/rf.v45i2.30104
dc.identifier.citationFloresta, v. 45, n. 2, p. 229-240, 2015.
dc.identifier.doi10.5380/rf.v45i2.30104
dc.identifier.issn1982-4688
dc.identifier.issn0015-3826
dc.identifier.scopus2-s2.0-84936120179
dc.identifier.urihttp://hdl.handle.net/11449/220403
dc.language.isopor
dc.relation.ispartofFloresta
dc.sourceScopus
dc.subjectNative forest
dc.subjectReforested area
dc.subjectSugarcane
dc.titleAtributos químicos de latossolo vermelho submetido a diferentes manejospt
dc.title.alternativeChemical properties of an oxisol under different management practicesen
dc.typeArtigo

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