Composition of root pressure exudate from conifers
By: D.O. Ketchie and W. Lopushinsky
Contributors: Lopushinsky, W.; Pacific Northwest Forest and Range Experiment Station (Portland, Or.)
Series: Research note PNW -- 395; Research note PNW -- 395.
Publisher: U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station
Published: 1981
Place of publication: Portland, Or
Language: eng
Subjects: Exudates and transudates; Conifers; Root pressure
Notes: Caption title.

"October 1981."

Includes bibliographical references (p. 6).