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Creator:: Lavender, Denis P. and Hermann, Richard K.
Abstract:: Douglas-fir (Pseudotsuga menziesii) has a wide distribution in North America and is one of the tree species most widely distributed outside its natural range. The species has been introduced to Europe, New Zealand, South America, and elsewhere around the world. At present, Douglas-fir is an accepted and integral part of...
Resource Type:: Book

Creator:: Hann, David W.
Abstract:: In their recent Canadian Journal of Forest Research Comment 368 article, Wilson and Oliver (2000) developed an equation for predicting the average ratio of height to diameter at breast height for the largest 250 trees/ha (H/DL250) in unthinned stands as a function of initial density and dominant height of the...
Resource Type:: Article
Full Text:: -fir plantations1 David W. Hann Comment 368In their recentCanadian Journal of Forest Researcharti

Creator:: Anekonda, T. S., Lomas, M. Christine, Adams, W. T., Kavanagh, Kathleen L., 1955-, and Aitken, S. N.
Abstract:: Abstract: Genetic variation in drought hardiness traits and their genetic correlations with growth potential and17re1c6overy traits were investigated in 39 full-sib families of coastal Douglas-fir (Pseudotsuga menziesii var. menziesii (Mirb.) Franco) from southwestern British Columbia. Seedlings of these families were grown in raised nursery beds and subjected to three moisture...
Resource Type:: Article
Full Text:: Genetic variation in drought hardiness of coastal Douglas-fir

Creator:: Macdonald, M. D. (Mortimer DeForest) and Oregon Forest Products Laboratory
Resource Type:: Technical Report
Full Text:: Douglas-Fir Lumber For Prefabricated Panels By M. D. Macdonald 4 OREGON FOREST PRODUCTS LABORATORY

Creator:: Morrell, Jeffrey J., Helsing, Guy G., Graham, R. D. (Robert D.), and Oregon State University. Forest Research Laboratory
Resource Type:: Technical Report
Full Text:: MAINTENANCE MANUAL: A GUIDE FOR PROPER USE OF DOUGLAS-FIR IN MARINE EXPOSURES JEFFERY J. MORRELL GUY G

Creator:: Hobbs, Stephen D., Oregon State University. Forest Research Laboratory, Byars, R. H ., Henneman, D. C., and Frost, C. R.
Abstract:: The effects of artificial shading and aspect on the performance of 1-0 container-grown Douglas-fir seedlings were evaluated 1 year after outplanting on four different aspects in southwest Oregon. The test areas, all characterized by steep slopes and shallow, skeletal soils with a surface mantle of loose rock and logging slash,...
Resource Type:: Technical Report
Full Text:: issue Does not circulate FIRST-YEAR PERFORMANCE OF 1-O CONTAINERIZED DOUGLAS-FIR SEEDLINGS ON DROUGHTY

Creator:: Zaerr, Joe B., Lavender, Denis P., and Oregon State University. Forest Research Laboratory
Abstract:: Results reported here are from a large study designed to evaluate the effects of certain nursery procedures on subsequent survival of Douglas-fir seedlings. The effects of storage conditions and lifting dates were reported elsewhere (9). The determination of the optimum size of seedling for planting on different sites has been...
Resource Type:: Technical Report
Full Text:: Size and Survival of 270 Douglas-Fir Seedlings Joe B. Zaerr Denis P. Lavender Research Paper 32

Creator:: Heiner, Terry Charles, 1941-, Lavender, Denis P., and Oregon State University. Forest Research Laboratory
Abstract:: Although the Douglas-fir region of the northwestern United States and British Columbia is frequently considered to have a common silviculture, obstacles to successful regeneration of the species range from competing vegetation and mammals on the mesic sites to extreme drought and heat on the xeric southerly exposures in northern California...
Resource Type:: Technical Report
Full Text:: 7/ 1 Early Growth and Drought Avoidance in Douglas-fir

Creator:: Ching, Kim K. and Oregon State University. Forest Research Laboratory
Abstract:: Survival and growth during three years at 8 out-planting areas are reported for Douglas-fir from 14 sources of seed. Early survival was highest near Nimpkish on Vancouver Island. At most plantations, trees from the local seed source grew as well as did those from the best three sources. Trees from...
Resource Type:: Technical Report
Full Text:: 7371-.2 I-3 ally Growth of Douglas-Fir cF. 2 in a

Creator:: Zaerr, Joe B., Lavender, Denis P., and Oregon State University. Forest Research Laboratory
Abstract:: The Dwight L. Phipps State Forest Nursery at Elkton annually supplies 22 million 2-0 Douglas-fir seedlings to Oregon land managers. Some managers report excellent success in planting, but others report failures, particularly when planting late in the season. In some instances poor survival seemed to be related to storage. Physiological...
Resource Type:: Technical Report
Full Text:: PLANTING 2-0 DOUGLAS-FIR IN OREGON A PRELIMINARY REPORT Joe. Zaerr Assistant Professor of Forest

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