The relation of season of wounding and shellacking to callus formation in tree wounds
By: by Rush P. Marshall.
Contributors: United States. Dept. of Agriculture.
Series: Technical bulletin / United States Department of Agriculture -- no. 246; Technical bulletin (United States. Dept. of Agriculture) -- no. 246.
Publisher: U.S. Dept. of Agriculture
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 28
Subjects: Trees, Care of.; Trees -- Wounds and injuries.; Pruning.
Notes: Caption title.

Literature cited: p. 28.