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Interpretation of Soil Water Quality for Agricultural Production

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Biogeochemistry of Ancient and Modern Environments

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Abstract

Langelier (1936) described the state of saturation of natural waters with respect to CaCO3 by Equation 1,

$$ SatrationIndex=p{{H}_{o}}-p{{H}_{c}} $$
(1)

where, pHo is the observed pH of a solution and pHc is the calculated pH that the same solution would have if it was saturated with CaCO3, but with no alteration in ionic composition. In effect, positive values of the Saturation Index mean that solutions are supersaturated with respect to CaCO3 and there will be a tendency for carbonate to be deposited. This tendency is aggravated by temperature increases since the solubility of CaCO3 decreases at elevated temperatures, such as are experienced in hot water systems.

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References

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Author information

Authors and Affiliations

  1. Division of Land Use Research, Institute of Earth Resources, CSIRO, P.O. Box 1666, Canberra City, A.C.T., 2601, Australia

    Baden G. Williams & P. Jakobsen

Authors
  1. Baden G. Williams
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  2. P. Jakobsen
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Editor information

Editors and Affiliations

  1. Baas Becking Geobiological Research Laboratory, Canberra, Australia

    P. A. Trudinger  & M. R. Walter  & 

  2. University of New South Wales, Sydney, Australia

    B. J. Ralph

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© 1980 Australian Academy of Science

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Williams, B.G., Jakobsen, P. (1980). Interpretation of Soil Water Quality for Agricultural Production. In: Trudinger, P.A., Walter, M.R., Ralph, B.J. (eds) Biogeochemistry of Ancient and Modern Environments. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-48739-2_47

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  • DOI: https://doi.org/10.1007/978-3-642-48739-2_47

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-48741-5

  • Online ISBN: 978-3-642-48739-2

  • eBook Packages: Springer Book Archive

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