How productive are the soils of central Illinois?
By: by R.T. Odell.
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 522; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 522.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1947
Place of publication: Urbana, Ill
Language: eng
Number of pages: 389
Subjects: Soil productivity -- Illinois.; Crop yields -- Illinois.