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Reversibility of the Hardening Process of Plinthite and Petroplinthite in Soils of the Araguaia River Floodplain under Different Treatments Rev. Bras. Ciênc. Solo
Martins,Angélica Pires Batista; Santos,Glenio Guimarães; Oliveira,Virlei Álvaro de; Maranhão,Deyvid Diego Carvalho; Collier,Leonardo Santos.
ABSTRACT Although ferruginous materials occur frequently in soils of tropical regions, information about the reversal of the hardening process of these materials is scarce. This study assessed the influence of different chemical treatments and periods of immersion on the reversibility of the hardening process of plinthite and petroplinthite in soils of the Araguaia River plain. Soil samples were collected from the plinthic horizons in 0.10 m high and 0.15 m diameter PVC cylinders and divided into subsamples with a rock hammer. Homogeneous petroplinthite samples were also collected and broken into subsamples with a rock hammer. The plinthite and petroplinthite subsamples were subjected to five immersion treatments: distilled water, calcium carbonate...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dispersion; Deterioration of structural stability; Hardness; Reagents; Iron oxides.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832018000100307
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