United States grades for sweet potatoes
Subtitle: recommended by the United States Department of Agriculture
By: Hartley E. Truax
Series: Department circular / United States Department of Agriculture -- 99; Department circular (United States. Dept. of Agriculture) -- 99.
Publisher: U.S. Dept. of Agriculture
Published: 1920
Place of publication: Washington, D.C
Language: eng
Subjects: Sweet potatoes; Grading
Notes: "Contribution from the Bureau of Markets."