Chilling requirements for optimal growth of Rocky Mountain Douglas-fir seedlings
By: S.P. Wells
Contributors: Intermountain Forest and Range Experiment Station (Ogden, Utah); United States. Forest Service
Series: USDA Forest Service research note INT -- 254; 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."

Includes bibliographical references (p. 9).