The "gist" of four years' soil investigation in the Illinois corn belt
By: by Cyril G. Hopkins, J.H. Pettit, and J.E. Readhimer
Contributors: Readhimer, J. E. (Jerome Edward), 1869-; Pettit, James H. (James Harvey), 1876-1914
Series: Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 100; Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 100.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1905
Place of publication: Urbana, Ill
Language: eng
Subjects: Soil amendments; Soils; Corn
Notes: Caption title.