The fertility in Illinois Soils
By: by Cyril G. Hopkins and James H. Pettit.
Contributors: Pettit, James H. 1876-1914.
Series: Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 123; Bulletin (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 123.
Publisher: University of Illinois Agricultural Experiment Station
Published: 1908
Place of publication: Urbana, Ill
Language: eng
Number of pages: 294
Subjects: Soils -- Illinois.; Soil fertility -- Illinois.; Soil management -- Illinois.