Damping-off in forest nurseries
By: by Carl Hartley ...
Publisher: Govt. print. off.
Published: 1921
Place of publication: Washington
Language: eng
Number of pages: 99
Subjects: Plant diseases; Trees -- Diseases and pests
Notes: "Literature cited": p. 91-99.
Thesis (Ph. D.)--University of California, 1919.
Cover-title.
United States Department of agriculture. Bulletin no. 934. Contribution from the Bureau of plant industry. Washington, D. C. Professional paper, June 16, 1921, with a special thesis t.-p., dated December, 1919, attached to the cover. Thesis approval page inserted (folded).