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Soil Water Retention Curve as Affected by Sample Height Rev. Bras. Ciênc. Solo
Silva,Maria Laiane do Nascimento; Libardi,Paulo Leonel; Gimenes,Fernando Henrique Setti.
ABSTRACT: The soil water retention curve is one of the main instruments to assess the soil physical quality and to improve soil management. Traditionally, the equipment most used in the laboratory to determine the retention curve has been Haines funnels and Richards chambers. An important factor to which little attention has been given in the use of these equipaments is the height of the undisturbed soil sample. This work proposes to evaluate the influence of different heights of undisturbed samples for the determination of the retention curve. For this, undisturbed soil samples were collected in aluminum cylinders of three different heights (S1 = 75 mm; S2 =50mm; S3 =25 mm) and with the same internal diameter (70 mm) from the diagnostic horizons of a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Matric potential; Haines funnel; Richards chamber; Pore size distribution.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832018000100426
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