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Agronomy Journal Abstract -

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


This article in AJ

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

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  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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