Tests of commercial cultures of nitrogen-fixing bacteria
By: [B.T. Galloway]
Series: Circular / United States, Dept. of Agriculture, Office of the    Secretary -- no. 16; Circular (United States. Dept. of Agriculture. Office of the Secretary) -- no. 16.
Publisher: U.S. Dept. of Agriculture, Office of the   Secretary
Published: 1906
Place of publication: Washington, D.C
Language: eng
Subjects: Nitrogen-fixing microorganisms
Notes: Caption title.

March 6, 1906.