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Agronomy Journal Abstract -

Effect of Soil Moisture Tension and Oxygen Concentration on the Growth of Corn Roots1


This article in AJ

  1. Vol. 48 No. 11, p. 517-520
    Received: Aug 2, 1956

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  1. J. R. Gingrich and
  2. M. B. Russell2



Increases in soil moisture tension from 1 through 12 atm. brought about progressively smaller increases in radicle elongation, fresh weight, dry weight, and degree of seedling hydration. Growth properties were most sensitive in the range between 1 and 3 atm. At low moisture stress, oxygen concentration of the root atmosphere needed to be above 10.5% for maximum growth.

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