Extension work in plant pathology, 1923
By: Fred C. Meier
Series: Department circular / United States Department of Agriculture -- 329; Department circular (United States. Dept. of Agriculture) -- 329.
Publisher: U.S. Dept. of Agriculture
Published: 1924
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Plant diseases; Agricultural extension work
Notes: Includes bibliographical references.