Illinois crop yields from soil experiment fields
By: by Cyril G. Hopkins ... [et al.].
Contributors: Hopkins, Cyril G. 1866-1919.
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 219; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 219.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1919
Place of publication: Urbana, Ill
Language: eng
Number of pages: 503
Subjects: Crop yields -- Illinois.