Production factors for corn in the northwest corn belt area
By: by R.F. Holt ... [et al.].
Series: ARS -- 41-110; ARS (Series) (United States. Agricultural Research Service) -- 41-110.
Publisher: Agricultural Research Service, U.S. Dept. of Agriculture
Published: 1965
Place of publication: [Washington]
Language: eng
Number of pages: 38
Subjects: Corn
Notes: Cover title.

"October 1965."

Includes bibliographical references.