Chilling requirements for breaking dormancy of western white pine seedlings
By: R.J. Steinhoff and R.J. Hoff.
Contributors: Hoff, R. J.; Intermountain Forest and Range Experiment Station (Ogden, Utah)
Series: USDA Forest Service research note INT -- 153.; Research note INT -- 153.
Publisher: U.S. Dept. of Agriculture, Forest Service, Intermountain Forest & Range Experiment Station
Published: 1972
Place of publication: Ogden, Utah
Language: eng
Subjects: Western white pine -- Seedlings; Western white pine -- Dormancy
Notes: Caption title.

"January 1972."

Includes bibliographical references (p. 6).