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This article in AJ

  1. Vol. 49 No. 4, p. 176-181
    Received: Jan 12, 1956

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Nutrient Uptake and Chemical Composition of Tobacco Plants as Affected by the Composition of the Root Atmosphere1

  1. D. G. Harris and
  2. C. H. M. van Bavel2



The roots of tobacco plants were subjected to a wide range of simulated aeration conditions. In general nutrient uptake remained relatively constant until oxygen concentrations dropped below 10%. However, a concentration of 5% carbon dioxide apparently stimulated phosphorus uptake.

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