Tests of corn varieties on the Great Plains
By: by L.L. Zook
Series: Bulletin / United States Department of Agriculture -- no. 307; Bulletin of the U.S. Department of Agriculture -- no. 307.
Publisher: U.S. Dept. of Agriculture
Published: 1915
Place of publication: Washington, D.C
Language: eng
Number of pages: 20
Subjects: Corn; Varieties
Description: Of tests. pp. 17.