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dc.contributor.authorVIEIRA, S. R.pt_BR
dc.contributor.authorCASTRO, O. M. dept_BR
dc.contributor.authorTOPP, G. C.pt_BR
dc.date.accessioned2011-04-09T12:14:36Z-
dc.date.available2011-04-09T12:14:36Z-
dc.date.created2001-08-23pt_BR
dc.date.issued1992pt_BR
dc.identifier.citationPesquisa Agropecuaria Brasileira, Brasilia, v.27, n.2, p.333-341, fev.1992pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/105546pt_BR
dc.descriptionVolumetric core samples and loose soil samples were collected at 1 m interval in 10 m long transects, on three major soil groups in São Paulo, Brazil. The soil cores were used for soil desorption curves and the bulk density, and the loose soil was used for particle size analysis. The parameters obtained from the soil water retention model, bulk density and particle size values were submitted to geostatistical analysis to study the spatial variability through the examination of semivariograms and cross-semivariogram. The results showed that the scale of variation changes from soil to soil, with maximum variation for the Podzolic Soil with clay surface texture, from the northeast part of the state. For this soil also, the spatial autocorrelation was the most expressive. The variability of the soil desorption parameters was related to the particle size parameters. The geostatistical analysis results allowed establishing sample spacing for the soils studied, to allow for estimation at any finer spacing, with no bias and minimum variance.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectsoil hydraulic conductivitypt_BR
dc.subjectsoil water desorptionpt_BR
dc.titleSpatial Variability of Some Soil Physical Properties in Three Soils of São Paulo, Brazil.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2011-04-10T11:11:11Zpt_BR
dc.subject.nalthesaurusbulk densitypt_BR
dc.subject.nalthesaurusparticle sizept_BR
dc.subject.nalthesaurussoil water retentionpt_BR
dc.subject.nalthesaurussoilpt_BR
riaa.ainfo.id105546pt_BR
riaa.ainfo.lastupdate2004-09-13pt_BR
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