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This article in AJ

  1. Vol. 62 No. 6, p. 832-833
    Received: Apr 16, 1970

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Preparation of and Plant Response to a Yellow Phosphorous-Ammonia Solution1

  1. H. K. Cressman2,
  2. G. E. Richards3 and
  3. T. A. Edwards4



Yellow phosphorus was dissolved in liquid anhydrous NH3 and evaluated as a P source for corn (Zea mays L.) and ryegrass (Lolium multiflorum L.). The composition was phytotoxic and the P was of low plant availability. When the solution was incubated in soil prior to seeding corn, toxicity was less pronounced. The residue following evaporation of NH3 was also phytotoxic. In a short term study on a fine-textured soil, corn failed to respond to either toxic compounds or orthophosphate present in the zone of NH3 injection.

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