Crop losses from plant diseases in the United States in 1919
Series: Plant disease bulletin -- suppl. 12; Plant disease bulletin -- suppl. 12.
Publisher: Plant Disease Survey, Bureau of Plant Industry, United States Department of Agriculture
Published: 1920
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 332
Subjects: Crop losses; Plant diseases
Notes: Cover title.

"July 1, 1920."