Evaluation of ryania for the protection of stored wheat and shelled corn from insect attack
By: [by H.H. Walkden and H.D. Nelson]
Contributors: Nelson, Howard D., 1913-
Series: Marketing research report -- no. 245
Publisher: Marketing Research Division, Agricultural Marketing Service, U.S. Dept. of Agriculture
Published: 1958
Place of publication: Washington, D.C
Language: eng
Number of pages: 21
Subjects: Wheat; Storage; Diseases and injuries; Corn
Notes: Cover title.

"July 1958."