A study of deciduous fruit tree rootstocks with special reference to their identification
By: by Myer J. Heppner
Series: Technical paper / University of California publications, the Agricultural Experiment Station of the College of Agriculture -- no. 6; Technical paper (California Agricultural Experiment Station) -- no. 6
Publisher: University of California Press
Published: 1923
Place of publication: Berkeley
Language: eng
Number of pages: 36
Subjects: Fruit; Rootstocks
Notes: Abridged from the author's thesis, Master of Science, University of California, May 1921.

"Literature cited": p. 25.