Preventing black rot losses in sweetpotatoes
By: [by J.S. Cooley and R.J. Haskell]
Contributors: Haskell, R. J. (Royal Joyslin), 1890-
Series: Leaflet / United States. Dept. of Agriculture -- no. 280; Leaflet (United States. Dept. of Agriculture) -- no. 280.
Publisher: U.S. Dept. of Agriculture
Published: 1950
Place of publication: Washington, D.C
Language: eng
Subjects: Sweet potatoes; Diseases and pests; Black rot; Storage
Notes: Cover title.

"Issued June 1950."

"Revision of AIS-55.