Soil fertility
Subtitle: Illinois conditions, needs, and future prospects
Series: Circular / University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station -- no. 157; Circular (University of Illinois (Urbana-Champaign campus). Agricultural Experiment Station) -- no. 157
Publisher: University of Illinois Agricultural Experiment Station
Published: 1912
Place of publication: Urbana, Ill
Language: eng
Number of pages: 16
Subjects: Soil fertility
Notes: Caption title.

Includes bibliographical references.