Thinning and fertilizing red pine to increase growth and cone production 1 edition
Thinning and fertilizing red pine to increase growth and cone production
John H. Cooley.
North Central Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
St. Paul, Minn
Written in English.
Includes bibliographical references (p. 7-8).
Also issued online.
|USDA Forest Service research paper NC -- 42.|
The Physical Object
|8 p. :|