How not to treat Illinois soils
By: by Cyril G. Hopkins
Series: Circular / University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station -- no. 181; Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 181
Publisher: University of Illinois Agricultural Experiment Station
Published: 1915
Place of publication: Urbana, Ill
Language: eng
Number of pages: 32
Subjects: Soil amendments; Soils
Notes: Cover title.