The duty of chemistry to agriculture
By: by Cyril G. Hopkins
Series: Circular / University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station -- no. 105; Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 105
Publisher: University of Illinois Agricultural Experiment Station
Published: 1906
Place of publication: Urbana, Ill
Language: eng
Number of pages: 27
Subjects: Agricultural chemistry; Soil chemistry
Notes: Caption title.

"November, 1906."