This year's Wassail packaging features a postcard view of the Hood River Valley dusted with snow, with a snow-covered douglas-fir tree
looms in the foreground and Ml.
A 37-foot Douglas-fir tree
donated by Weyerhaeuser (NYSE:WY) will stand as the centerpiece on the Olympia Capitol Campus this holiday season.
A 100-foot Douglas-fir tree
from Weyerhaeuser is en route to Kansas City, Mo.
Earlywood Latewood Vertical position Mean COV (%) (a) Mean COV (%) Douglas-fir Tree
The distribution of Douglas-fir tree
relative density from Canada, the United States, Europe, and New Zealand tends to be bell shaped with a mean between 0.
To confirm that Mule Deer eat clippings from the upper branches of Douglas-fir trees
, we pruned large branches from 10 Douglas-fir trees
in known Mule Deer winter range near Prince George, British Columbia in February 2009.
Internal moisture relations of standing Douglas-fir trees
injected with organic arsenicals.
Back in early July of 1965," says Thompson, "Mauro and I planned the first aerial application of the virus on a few hundred four-foot-tall Douglas-fir trees
More recent studies have found that the LLAD of the first (butt) log in Douglas-fir trees
can be predicted from the diameter of the largest limb in the breast height region (DLLBH; Briggs et al.
The process begins with scientists selecting superior Douglas-fir trees
-- the predominant commercial tree species in western Washington -- and cross-breeding them to produce seeds containing outstanding qualities.
approximately 45 to 50 years in age and 35 cm in diameter at breast height were harvested from plantation forest at the northern South Island of New Zealand.
In this study, mechanical properties and grade yield of structural products were estimated for 2 by 4 lumber cut from logs of small-diameter Douglas-fir trees
from a stand in northern California.