Present | Distinguished Professor, Iowa State University ‐ Department of Agronomy | |
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Present | Distinguished Professor, Iowa State University ‐ Department of Geological and Atmospheric Sciences | |
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Disciplines
Research Interests
Contact Information
3013 Agronomy
716 Farm House Ln
Ames, IA 50011-1051
Phone: 515-294-9871
Fax: 515-294-2619
Email: