Seed-potato improvement and certification
Subtitle: excerpts from 1926 annual reports of county extension agents
By: F.C. Meier, and M.C. Wilson. --
Series: Extension Service circular -- 54
Publisher: U.S. Dept. of Agriculture, Extension Service?]
Published: 1927
Place of publication: [Washington, D.C.?
Language: eng
Number of pages: 19