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This article in SSSAJ

  1. Vol. 36 No. 4, p. 602-606
    Received: Oct 4, 1971
    Accepted: Mar 28, 1972

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Competition Between Species During Nitrification in Soil1

  1. A. Douglas McLaren and
  2. M. S. Ardakani2



Previously we have derived equations which describe populations of nitrifying organisms growing in an idealized soil column perfused with nutrient solutions. Population growth in the soil column at any particular depth is here discussed in terms of a kinetic model that allows for exhaustion of nutrient or space, i.e., surface area limitation, whether or not death occurs, and competition between two species in the same niche. The model in its various ramifications is subject to laboratory tests and points up inadequacies in current understanding of the microscopic ecology of nitrification.

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