Soil testing and fertility
By: Prepared by R. L. Courson.
Contributors: Courson, Roger L.; Illinois. University at Urbana-Champaign. Vocational Agriculture Service.
Publisher: University of Illinois at Urbana-Champaign, College of Agriculture, Vocational Agriculture Service
Published: 1976
Place of publication: Urbana
Language: eng
Format: Transparency
Number of pages: 57
Subjects: Soil fertility.; Soils -- Testing.; Soils -- Classification.
Notes: Some material adapted from Lesson plans for vocational agricultural instructors, Texas A & M Universityand University of Illinois Agronomy handbook.