Chilling requirements for optimal growth of Rocky Mountain Douglas-fir seedlings
By: S.P. Wells
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 254
Publisher: Forest Service, U.S. Dept. of Agriculture, Intermountain Forest and Range Experiment Station
Published: 1979
Place of publication: Ogden, Utah
Language: eng
Subjects: Douglas fir
Notes: Caption title

"February 1979."

Bibliography: p. 9