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11. Overview of 3-yr-old Douglas-fir beds partially recovered from mycorrhiza deficiency. Seedling size was generally too small and much too variable for an acceptable crop. All seedlings were lifted and destroyed.
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11. Overview of 3-yr-old Douglas-fir beds partially recovered from mycorrhiza deficiency. Seedling size was generally too small and much too variable for an acceptable crop. All seedlings were lifted and destroyed.
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