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Browsing by Author "Maguire, Douglas A. (Douglas Alan)"
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Oregon State University. Extension Service; Angima, S. D.; Terry, Thomas A.; Dobkowski, Alexander; Campbell, Steve; Grizzel, Jeffrey D.; Harrison, Robert B.; Heninger, Ronald L.; Maguire, Douglas A. (Douglas Alan); Miller, Richard E.; Page-Dumroese, Deborah S.; Scott, William; Zabowski, D. (Corvallis, Or. : Extension Service, Oregon State University, 2011-04)This publication is a reference guide for forest soils productivity and management. Main topics include (1) understanding and managing risk, (2) soil characteristics that affect productivity, (3) soil survey information ...
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Maguire, Douglas A. (Douglas Alan) (1986-04-09)A branch mortality dating technique and whorl sampling strategy were implemented to model five-year crown recession from data collected on temporary plots. Twenty-eight Douglas-fir from two levels-of-growing- stock s ...
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Maguire, Douglas A. (Douglas Alan); Brissette, John C.; Gu, Lianhong (NRC Canada, 1998)Several hypotheses about the relationships among individual tree growth, tree leaf area, and relative tree size or position were tested with red spruce (Picea rubens Sarg.) growing in uneven-aged, mixed-species forests o ...
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Mainwaring, Douglas B.; Maguire, Douglas A. (Douglas Alan) (NRC Canada, 2004-11)Basal area and height growth were analyzed for individual trees in uneven-aged ponderosa pine (Pinus ponderosa Dougl. ex Laws.) and lodgepole pine (Pinus contorta Dougl. ex. Loud.) stands in central Oregon. Basal area ...
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Bravo, Felipe; Hann, David W.; Maguire, Douglas A. (Douglas Alan) (NRC Canada, 2001)Mixed conifer and hardwood stands in southwestern Oregon were studied to explore the hypothesis that competition effects on individual-tree growth and survival will differ according to the species comprising the competit ...
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Maguire, Douglas A. (Douglas Alan); Johnston, Stuart R.; Cahill, James M. (NRC Canada, 1999)The quality of lumber and veneer recovered from logs of Douglas-fir (Pseudotsuga menziesii (Mirb.) Franco) is directly influenced by the maximum limb size attained on the crop tree. Because limb sizes are influenced by s ...
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Filip, Gregory M.; Kanaskie, Alan; Kavanagh, Kathleen L., 1955-; Johnson, Greg; Johnson, Randy (G. Randy); Maguire, Douglas A. (Douglas Alan); Oregon State University. Forest Research Laboratory (Corvallis, Or. : College of Forestry, Forest Research Laboratory, Oregon State University, 2000)
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