apparatus for pressure injection of solutions into trees
By: by Thomas W. Jones and Garold F. Gregory.
Contributors: Gregory, G. F.
Series: Research paper NE -- 233.
Publisher: Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture
Published: 1971
Place of publication: Upper Darby, Pa
Language: eng
Subjects: Trees, Care of
Notes: Cover title.

Includes bibliographical references.