Can we control brush by helicopter spraying before timber harvest?
By: M. Newton ... [et al.].
Contributors: Newton, Michael, 1932-; Oregon State University. Forest Research Laboratory.
Series: Research note / Oregon State University, Forest Research Laboratory -- 70.; Research note (Oregon State University. Forest Research Laboratory) -- no. 70.
Publisher: Oregon State University, School of Forestry
Published: 1982
Place of publication: Corvallis, Or
Language: eng
Subjects: Brush -- Control -- Oregon.; Spraying -- Oregon.; Helicopters.; Aeronautics in agriculture.; Fosamine ammonium.; Glyphosate.
Notes: Title from caption.

"October 1982."

Bibliography: p. 6.