Soil improvement for the worn hill lands of Illinois
Subtitle: with special reference to Southern Illinois
By: by Cyril G. Hopkins and J.E. Readhimer.
Contributors: Readhimer, J. E. 1869-
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 115; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 115.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1907
Place of publication: Urbana, Ill
Language: eng
Number of pages: 443
Subjects: Soil management -- Illinois.; Soil amendments -- Illinois.