A revised yield table for Douglas-fir
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Ecology and development of douglas-fir seedlings and associated plant species in a coast range plantation McDonald, Philip M.; Fiddler, G.O. (USDA Forest Service. Pacific Southwest Research Station, 1999)On an average site in northern coastal California, a tanoak-mixed shrub community was given several treatments (manual release one, two, and three times; a combination chainsaw and cut surface ...
Repeated manual release in a young plantation: effect on douglas-fir seedlings, hardwoods, shrubs, ... McDonald, Philip M.; Fiddler, G.O.; Harrison, H.R. (USDA Forest Service. Pacific Southwest Research Station, 1994)Douglas-fir seedlings on the Arcata Resource Area, Bureau of Land Management, U.S. Department of the Interior, in central coastal California, were released by chain sawing and grubbing competing ...
Gruell, G.E.; Brown, James K.; Bushey, C.L. (USDA Forest Service. Intermountain Research Station, 1986)Provides information on use of prescribed fire to enhance productivity of bunchgrass ranges that have been invaded by Douglas-fir. Six vegetative "situations" representative of treatment ...