Crop losses from plant diseases in the United States in 1920
Series: Plant disease bulletin -- suppl. 18; Plant disease bulletin -- suppl. 18.
Publisher: Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
Published: 1921
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 338
Subjects: Crop losses; Plant diseases
Notes: Cover title.

"July 1, 1921."