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Retention and Solute Transport Properties in Disturbed and Undisturbed Soil Samples Rev. Bras. Ciênc. Solo
Silva,Lívia Previatello da; van Lier,Quirijn de Jong; Correa,Marcus Metri; Miranda,Jarbas Honorio de; Oliveira,Luciano Alves de.
ABSTRACT Solute transport parameters can be determined in miscible displacement experiments, usually performed in columns with disturbed (sieved) soil samples. Experiments with undisturbed samples are uncommon, due to the difficulty of taking undisturbed samples at the size required for these experiments. Structural alteration of the disturbed material implies modifications in the pore geometry that determines hydraulic properties, including hydraulic conductivity and retention and properties related to miscible displacement. An existing model for prediction of breakthrough curves based on retention properties was tested using material from a medium-textured Ferralsol, and alterations caused by sample disturbance were investigated. Soil water retention...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Sampling; Retention; Miscible displacement; Solute transport; Leaching.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832016000100421
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