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Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon.Author(s): Barrett James W.
Source: Res. Pap. PNW-RP-301. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 18 p
Publication Series: Research Paper (RP)
Station: Pacific Northwest Research Station
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DescriptionDiameter, height, and volume growth and yield are given for plots thinned to 1000, 500, 250, 125, and 62 trees per acre in a 40- to 70-year-old stand of suppressed ponderosa pine (Pinus ponderosa Dougl. ex Laws.) saplings in central Oregon. Trees averaged about 1-inch in diameter and 8 feet in height at the time of thinning. Considerations for choosing tree spacing for precommercial thinning in this type of stand are discussed.
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CitationBarrett James W. 1982. Twenty-year growth of ponderosa pine saplings thinned to five spacings in central Oregon. Res. Pap. PNW-RP-301. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station. 18 p
KeywordsThinning effects, stand density, precommercial thinning, ponderosa pine, Pinus ponderosa
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- Management of ponderosa pine in the Southwest: As developed by research and experimental practice
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