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Effect of dilution on soluble and exchangeable sodium in soils differing in mineralogy
Year:
1977
Source of publication :
Geoderma
Authors :
Feigenbaum, Sala
;
.
Volume :
18
Co-Authors:
Levy, R., Agricultural Research Organisation, The Volcani Center, Institute of Soils and Water, Bet Dagan 20-500, Israel
Feigenbaum, S., Agricultural Research Organisation, The Volcani Center, Institute of Soils and Water, Bet Dagan 20-500, Israel
Facilitators :
From page:
193
To page:
205
(
Total pages:
13
)
Abstract:
It was found that a linear relationship exists between soluble sodium fraction and dilution, the latter defined as the fraction of soluble sodium and the total extractable sodium. This relationship could be used to recalculate soluble sodium at low soil: water ratios once the parameters of the relationship were determined. The parameters of the relationship were functions of the mineralogy and of the salinity of the soil, but not of the sodicity levels. It was found that the intercept of the relationship (soluble sodium fraction at zero water content) of soils containing easily weatherable silicates in the silt fraction was higher and more affected by salinity than that of soils which did not contain such silicates. Soils containing easily weatherable silicates had a cation exchange capacity in both clay and silt fractions. The slope of the relationship (the rate of sodium release upon dilution) was less affected by the mineralogy and salinity of the soil. © 1977.
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More details
DOI :
10.1016/0016-7061(77)90062-3
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
20130
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:34
Scientific Publication
Effect of dilution on soluble and exchangeable sodium in soils differing in mineralogy
18
Levy, R., Agricultural Research Organisation, The Volcani Center, Institute of Soils and Water, Bet Dagan 20-500, Israel
Feigenbaum, S., Agricultural Research Organisation, The Volcani Center, Institute of Soils and Water, Bet Dagan 20-500, Israel
Effect of dilution on soluble and exchangeable sodium in soils differing in mineralogy
It was found that a linear relationship exists between soluble sodium fraction and dilution, the latter defined as the fraction of soluble sodium and the total extractable sodium. This relationship could be used to recalculate soluble sodium at low soil: water ratios once the parameters of the relationship were determined. The parameters of the relationship were functions of the mineralogy and of the salinity of the soil, but not of the sodicity levels. It was found that the intercept of the relationship (soluble sodium fraction at zero water content) of soils containing easily weatherable silicates in the silt fraction was higher and more affected by salinity than that of soils which did not contain such silicates. Soils containing easily weatherable silicates had a cation exchange capacity in both clay and silt fractions. The slope of the relationship (the rate of sodium release upon dilution) was less affected by the mineralogy and salinity of the soil. © 1977.
Scientific Publication
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