NZ J For Sci 40:93–108ĭuddles RE, Owston PW (1990) Performance of conifer stocktypes on national forests in the Oregon and Washington Coast Ranges In: Rose R, Campbell SJ, Landis TD (ed) Target seedling symposium: proceedings, combined meeting of the Western Forest Nursery Associations, August 13–17, 1990, Roseburg, Oregon USDA Forest Service Rocky Mountain Forest and Range Experiment Station, GTR-RM-200, Fort Collins CO, pp 263–268ĭyksterhuis EL, High CT (1985) Soil survey of Union County area. Weed Sci 31:215–221ĭinger EJ, Rose R (2010) Initial fall-spring vegetation management regimes improve soil moisture conditions and maximize third-year Douglas-fir seedling growth in a Pacific Northwest plantation. South J Appl For 11(4):223–227ĭimock EJ II, Beebe TF, Collard EB (1983) Planting-site preparation with herbicides to aid conifer reforestation. Ĭreighton JL, Zutter BR, Glover GR, Gjerstad DH (1987) Planted pine growth and survival responses to herbicide vegetation control, treatment duration, and herbicide application techniques. USDA Forest Service INT-364 Research Paper Ogden UtahĬole E, Lindsay A, Newton M, Bailey J (2018) Vegetation control and soil moisture depletion related to herbicide treatments on forest plantations in Northeastern Oregon. Weed Technol. Bulletin Office, MISC0235, pp 95–104Ĭole DM, Schmidt WC (1986) Site treatments influence development of a young mixed-species western larch stand. Washington State University Extension, Pullman, WA. In: Baumgartner DM, Boyd RJ, Breuer DW, Miller DL (eds) Proceedings of weed control for forest productivity in the interior west, February 5–7, 1985, Spokane, WA, USA. Tree Plant Notes 35(4):7–10īarber HW Jr (1995) Western larch stock types and season of planting in northeastern Washington In: Schmidt W, McDonald K (eds) Ecology and management of Larix Forests: a look ahead, proceedings of an international symposium Whitefish, Montana, Oct 5–9, 1992, USDA Forest Service Intermountain Research Station, GTR-INT-319, Ogden, Utah, pp 209–212īoyd R (1986) Conifer performance following weed control site preparation treatments in the Inland Northwest. For Sci 53(5):600–610īarber HW Jr (1984) Effects of site preparation in survival and moisture stress of interior Douglas-sir seedlings planted in grass. Macro- and microclimatic conditions, including topography and soil depth, were likely contributors to differences in survival and growth.Īres A, Terry T, Harrington C, Devine W, Peter D, Bailey J (2007) Biomass removal, soil compaction, and vegetation control effects on five-year growth of Douglas-fir in coastal Washington. Size for all stock types was negatively correlated with vegetative cover and positively correlated with first-year soil moisture. Seedling size 7–8 years after planting was also highly variable among sites and treatments with larch seedlings being taller and larger than Douglas-fir seedlings, on the average. Overall, Douglas-fir had greater survival after 7–8 years than larch seedlings. Although some herbicide treatments significantly increased survival, results were not consistent among sites. Chemical site preparation treatments were applied in spring 2007, summer 2007, and spring 2008 to determine if such treatments would improve survival and growth of bareroot Douglas-fir and bareroot and plug western larch seedlings on three sites near Elgin, Oregon. Vegetation management treatments may increase soil moisture availability during the dry summer months, thereby increasing the probability of seedling survival. Plantation success in northeastern Oregon can be limited by poor survival for western larch ( Larix occidentalis Nutt.) and Douglas-fir ( Pseudotsuga menziesii (Mirb.) Franco var.
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