Healing time for pruning wounds in a red pine plantation
By: [Richard E. Lohrey]
Contributors: Lake States Forest Experiment Station (Saint Paul, Minn.)
Series: Research note LS / Lake States Forest Experiment Station -- 24; Research note LS -- 24.
Publisher: Lake States Forest Experiment Station, U.S. Dept. of Agriculture
Published: 1963
Place of publication: St. Paul, Minn
Language: eng
Subjects: Forests and forestry; Red pine; Pruning; Growth
Notes: Caption title.

"July 1963"--P. [2].

Includes bibliographical reference (p. [1]).