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Six-year growth of Douglas-fir saplings after manual or herbicide release from coastal shrub competition.Author(s): William I. Stein
Source: Res. Pap. PNW-RP-500. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 55 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionSurvival and growth of planted Douglas-fir (Pseudotsuga menziesii) saplings and associated shrubs were observed for 6 years after seven release treatments had been applied, side by, side on four areas in the Coast Range of Oregon. Four times as much Douglas-fir volume as in the control was produced by one manual cutting of shrubs, which also represented the best economic return. Diversity of competing species temporarily increased after the release treatments.
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CitationStein, William I. 1999. Six-year growth of Douglas-fir saplings after manual or herbicide release from coastal shrub competition. Res. Pap. PNW-RP-500. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 55 p
KeywordsReforestation, Pacific Northwest, Coast Ranges, manual release, herbicide release, Douglas-fir, red alder, seedling survival, seedling growth, glyphosate, fosamine, competing vegetation, salmonberry, thimbleberry, red elder, sword-fern
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