Distinguishing characters of the seeds of Sudan grass and Johnson grass
By: by F.H. Hillman
Series: Bulletin / United States. Dept. of Agriculture -- no. 406; Bulletin of the U.S. Department of Agriculture -- no. 406.
Publisher: U.S. Dept. of Agriculture
Published: 1916
Place of publication: Washington, D.C
Language: eng
Subjects: Sudan grass; Seeds; Johnson grass
Notes: Caption title.

"Professional paper."