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Water retention equations and their relationship to soil organic matter and particle size distribution for disturbed samples

By: Jong, R. de.
Contributor(s): Campbell, C.A [coaut.] | Nicholaichuk, W [coaut.].
Material type: materialTypeLabelArticlePublisher: 1983ISSN: No (Revista en electrónico).Subject(s): Organic matter | Particle size | Soil texture | Soil water content | Soil water retention | Statistical analysis In: Canadian Journal of Soil Science v. 63, no. 2, p. 291-302614305Summary: Functional relationships between soil water content and water suction were examined and related to textural and organic carbon content data. Soil water retention curves between 5 and 10 000 kPa were determined on disturbed samples of 18 soils representing various soil Great Groups in the Canadian prairies. Thebest fit was obtained with a two-straight-line regression model. Correlation andregression analysis showed that texture was the main soil property influencing the shape and position of the water retention curve. Organic matter influenced primarily the water content at which a break in the curve occurred. Zoil zone and cultivationCollection: Reprints Collection
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Article CIMMYT Knowledge Center: John Woolston Library

Lic. Jose Juan Caballero Flores

 

Reprints Collection REP-3259 (Browse shelf) 1 Available 614305
Total holds: 0

Tables, graphs, references p. 302

Functional relationships between soil water content and water suction were examined and related to textural and organic carbon content data. Soil water retention curves between 5 and 10 000 kPa were determined on disturbed samples of 18 soils representing various soil Great Groups in the Canadian prairies. Thebest fit was obtained with a two-straight-line regression model. Correlation andregression analysis showed that texture was the main soil property influencing the shape and position of the water retention curve. Organic matter influenced primarily the water content at which a break in the curve occurred. Zoil zone and cultivation

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