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Soil Science Society of America Journal Abstract -

Ion Exchange Resin Bag Method for Assessing Forest Soil Nitrogen Availability1


This article in SSSAJ

  1. Vol. 47 No. 5, p. 1050-1052
    Received: Jan 3, 1983
    Accepted: Apr 15, 1983

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  1. Dan Binkley2 and
  2. Pamela Matson3



An ion exchange resin bag technique was compared to six other methods for estimating N availability. Under a controlled greenhouse environment and with well-mixed soils, the resin technique correlated well with more traditional N-availability indices. However, resin bags on site in three forest stands yielded different N-availability estimates than those in the greenhouse. This suggests that the resin bag method may be sensitive to on-site conditions not discerned by more widely accepted laboratory techniques.

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