Field studies of the crown-gall of sugar beets
By: by C.O. Townsend
Series: Bulletin of the U.S. Department of Agriculture -- no. 203; Bulletin of the U.S. Department of Agriculture -- no. 203.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Subjects: Sugar beet; Diseases and pests; Galls (Botany); Plant Tumors
Notes: Caption title.

"April 30, 1915."

"Professional paper."