Faculty:

John Sawyer
Associate Professor
Extension Soil Fertility Specialist
Department of Agronomy
2104 Agronomy Hall
Iowa State University
Ames, IA 50011
email: jsawyer@iastate.edu
phone: (515) 294-1923
fax: (515) 294-9985
web site

Antonio Mallarino
Professor
Soil Fertility
Department of Agronomy
3216 Agronomy Hall
Iowa State University
Ames, Iowa 50011
email apmallar@iastate.edu
phone (515) 294-6200
fax (515) 294-2458
web site

Randy Killorn
Professor
Soil Scientist
Department of Agronomy
3208 Agronomy Hall
Iowa State University
Ames, Iowa 50011
email: rkillorn@iastate.edu
phone: (515) 294-3433
web site

Staff:

Daniel Barker
Assistant Scientist
Department of Agronomy
2210 Agronomy Hall
Iowa State University
Ames, IA 50011
email: dbarker@iastate.edu
phone: (515) 294-0359
fax: (515) 294-9985

Brian Hill
Lab Manager
Soil and Plant Analysis Laboratory
Department of Agronomy
G501 Agronomy Hall
Iowa State University
Ames, IA 50011
email: bhill@iastate.edu
phone: (515) 294-3076
fax: (515) 294-5567
web site

Angela Rieck-Hinz
Extension Program Specialist
Department of Agronomy
2104 Agronomy Hall
Iowa State University
Ames, IA 50011
email amrieck@iastate.edu
phone (515) 294-9590
fax (515) 294-9985
web site

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