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Filtering by: Subject Douglas fir -- Seeds Non-Academic Affiliation Oregon Explorer

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
Lumber grade recovery from Oregon coast type Douglas-fir

Creator:

Matson, Elmer E. and Pacific Northwest Forest and Range Experiment Station (Portland, Or.)

Resource Type:

Technical Report

Full Text:

-FIR RESEARCH PAPER) NO.3 .11.5.42PARTMENT OF AGRICULTURE LLyPACIFIC NORTHWEST FOREST AND RANGE R. W