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Abstract

 

This article in SSSAJ

  1. Vol. 27 No. 6, p. 663-666
     
    Received: Jan 30, 1963
    Accepted: May 3, 1963


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doi:10.2136/sssaj1963.03615995002700060028x

Influence of Salts on Ammonium Oxidation and Carbon Dioxide Evolution from Soil1

  1. D. D. Johnson and
  2. W. D. Guenzi2

Abstract

Abstract

Osmotic tension was found to reduce nitrate production and CO2 evolution from soil in a linear manner. This is essentially the result which would have been predicted using principles derived from studies on the influence of salts on the growth of higher plants. Nitrification showed the influence of individual salt species, with NaCl being the most toxic. Total microbial activity, as measured by CO2 evolution is much more tolerant of osmotic stress and shows no definite individual salt effects.

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