Ion Exchange Resin Bag Method for Assessing Forest Soil Nitrogen Availability1
- Dan Binkley2 and
- 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.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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