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Agronomy Journal Abstract -

Principles of Nutrient Uptake From Fertilizer Bands. VI. Germination and Emergence of Corn as Affected by Ammonia and Ammonium Phosphate1


This article in AJ

  1. Vol. 56 No. 3, p. 309-313
    Received: Sept 20, 1963

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  1. S. E. Allred and
  2. A. J. Ohlrogge2



Free ammonia associated with diammonium phosphate fertilizer was toxic to germinating corn. Ammonia at partial vapor pressures as low as 0.125 mm. Hg was toxic to corn when it was exposed to this environment for 2 days during the initial stages of germination.

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