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Filtering by: Creator Obermeyer, Edmund L. Subject Douglas fir -- Thinning

Comparative effects of precommercial thinning, urea fertilizer, and red alder in a site 11, coast Douglas-fir plantation

Creator:

Miller, Richard E., Obermeyer, Edmund L., and Anderson, Harry William

Abstract:

The authors varied the number of red alder retained with 300 Douglas-fir per acre on a high-quality site in coastal Oregon. Alder densities of 0, 20, 40, and 80 per acre were tested. The authors' fifth treatment eliminated nitrogen-fixing alder, but substantial nitrogen fertilizer. Treatment 6 had neither thinning nor...

Resource Type:

Technical Report