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This article in SSSAJ

  1. Vol. 26 No. 5, p. 446-452
    Received: Nov 17, 1961
    Accepted: Feb 28, 1962

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Identification of Reaction Products from Phosphate Fertilizers in Soils1

  1. W. L. Lindsay,
  2. A. W. Frazier and
  3. H. F. Stephenson2



Approximately 30 crystalline phosphate compounds, in addition to colloidal precipitates of variable composition, were identified as reaction products following the addition of various fertilizer solutions to soils and soil constitutents. The identifications were made by means of X-ray, petrographic, and chemical analyses. The findings help to clarify the mechanism of phosphate reactions in soils, which includes the dissolution of fertilizer and soil constituents and the precipitation of new products.

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