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Abstract

 

This article in AJ

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


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doi:10.2134/agronj1956.00021962004800110010x

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

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

Synopsis

Synopsis

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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