Degree Type
Dissertation
Date of Award
1970
Degree Name
Doctor of Philosophy
Department
Agronomy
DOI
https://doi.org/10.31274/rtd-180813-17237
Publisher
Digital Repository @ Iowa State University, http://lib.dr.iastate.edu/
Copyright Owner
John Pearson Widdowson
Copyright Date
1970
Language
en
Proquest ID
AAI7114273
File Format
application/pdf
File Size
289 pages
Recommended Citation
Widdowson, John Pearson, "Available sulfur in some Iowa soils " (1970). Retrospective Theses and Dissertations. 4372.
https://lib.dr.iastate.edu/rtd/4372