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Soil Science Society of America Journal Abstract -

Phosphate Sorption by Some Alfisols of Greece as Described by Commonly Used Isotherms1


This article in SSSAJ

  1. Vol. 49 No. 1, p. 81-84
    Received: July 11, 1983
    Accepted: Aug 13, 1984

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  1. N. A. Polyzopoulos,
  2. V. Z. Keramidas and
  3. Helen Kiosse2



The one- and two-surface Langmuir, the Freundlich, and the Temkin isotherms were fitted to P sorption data for 14 representative alfisols of Greece. Each was found to describe P sorption by these soils with comparable success, with the Freundlich and the two-surface Langmuir isotherms being slightly superior. The Freundlich equation is characterized by simplicity of form, based on more realistic assumptions, and now capable of rigorous derivation. It can therefore be used in preference to the others, since its parameters, as those of the Langmuir equation, allow comparisons among soils.

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