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This article in SSSAJ

  1. Vol. 35 No. 1, p. 151-152
    Received: July 10, 1970



Calcium Magnesium Exchange Equilibria in Soils1

  1. V. E. Hunsaker and
  2. P. F. Pratt2



Exchange equilibria measurements showed that a hydroxy-Al coated montmorillonite clay had a higher preference for Ca than the original clay. Allophane, an organic soil, and soils which contain amorphous minerals or kaolinite plus gibbsite all showed higher preference for Ca than is expected in montmorillonitic clays and soils.

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