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Chemistry of Saline Soils and Their Physical Properties

  • J. P. Quirk

Summary

An outline of the forces involved in clay particle interaction (swelling and dispersion) is given as a background for the interpretation of the physical behaviour of sodic soils, especially in relation to electrolyte levels. The electrolyte concentration below which appreciable decreases in soil permeability are encountered has been termed the threshold concentration and this concentration increases with the degree of sodium saturation of the soil colloids. The application of the threshold concentration concept to the management and reclamation of sodic soil is discussed.

Keywords

Irrigation Water Saline Soil Electrolyte Concentration Soil Aggregate Sodium Adsorption Ratio 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Australian Academy of Science 1971

Authors and Affiliations

  • J. P. Quirk
    • 1
  1. 1.Department of Soil Science and Plant Nutrition, Institute of AgricultureUniversity of Western AustraliaAustralia

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