Assistant Professor
Purdue University
downeyws@purdue.edu
765-494-4325
West Lafayette Indiana
47907 US
sebelhar@uiuc.edu
618-695-2790
Dixon Springs Agricultural Center Simpson Illinois
62985 US
State Agronomist
Natural Resources Conservation Service
barry.fisher@in.usda.gov
6013 Lakeside Blvd Indianapolis Indiana
46278 US
Agronomist
Cropwatch, Inc.
cropwatch@bnin.net
Alabama
US
Associate Professor and Extension Agricultural Engineer
Iowa State University
mhelmers@iastate.edu
515-294-6717
219B Davidson Hall Ames Iowa
50011 US
Professor of Agricultural Economics
Purdue University
hurtc@purdue.edu
765-494-4273
West Lafayette Indiana
47907 US
Professor Emeritus of Agronomy
Purdue University
johan@purdue.edu
765-494-6248
915 W. State St. West Lafayette Indiana
47907 US
Assistant Professor of Weed Science
Purdue University
wgjohnso@purdue.edu
(765) 494-4656
Botany and Plant Pathology, Lilly Hall; 915 West State Street West Lafayette Indiana
47907 US
Professor, Forages Extension Specialist
Purdue University
johnsonk@purdue.edu
Department of Agronomy; 915 W. State St. West Lafayette Indiana
47907 US
Plant Physiologist
USDA-ARS, National Soil Tilth Laboratory
Tom.Kaspar@ars.usda.gov
515-294-8873
2110 University Blvd. Ames Iowa
US
Irrigation Educator
Michigan State University and Purdue University
kelleyl@msu.edu
US
Professor of Agronomy
Purdue University
kladivko@purdue.edu
(765) 494-6372
Department of Agronomy; 915 W. State St. We Indiana
47907 US
Assistant Professor of Entomology
Purdue University
ckrupke@purdue.edu
(765) 494-4912
Department of Entomology; 901 W. State Street West Lafayette Indiana
47907 US
Associate Professor of Extension
University of Kentucky
cdlee2@uky.edu
859.338.5500
Lexington Kentucky
40546 US
Regional Extension Specialist
Purdue University
emaynard@purdue.edu
(219) 785-5673
Commercial Vegetable and Floriculture Crops; 1401 S. US Highway 421 Westville Indiana
46391 US
Professor of Agronomy/Soil Fertility
Kansas State University
dmengel@ksu.edu
Kansas State University Kansas
US
Northcentral Director
International Plant Nutrition Institute (IPNI)
smurrell@ipni.net
US
Professor of Crop Sciences
University of Illinois
ednaf@uiuc.edu
(217) 333-4424
W-301 Turner Hall; 1102 S Goodwin Ave Urbana Illinois
61801 US
Professor
University of Guelph
tniblack@uiuc.edu
(217) 244-5940
Crop Sciences Department; AW101 Turner Hall, 1102 S. Goodwin Ave. Urbana Illinois
61801 US
Professor of Agronomy
Purdue University
rnielsen@purdue.edu
(765) 494-4802
Department of Agronomy; 915 W. State St. West Lafayette Indiana
47907 US
IPM Specialist
Purdue University
obe@purdue.edu
(765) 494-4563
Department of Entomology; 901 W. State Street West Lafayette Indiana
47907 US
Agricultural Engineer
USDA-ARS National Soil Dynamics Laboratory
randy.raper@ars.usda.gov
US
Professor and Nutrient Management Specialist
University of Missouri
scharfp@missouri.edu
(573) 882-0777
Columbia Missouri
65211 US
Extension Soil Management Specialist
University of Kentucky
gjschw2@uky.edu
Kentucky
US
Professor
Purdue University
(765) 494-9093
Department of Agronomy; 915 W. State St. West Lafayette Indiana
47907 US
Professor of Agronomy
Purdue University
jvolenec@purdue.edu
Department of Agronomy; 915 W. State St. West Lafayette Indiana
47907 US
Professor
Purdue University
tvyn@purdue.edu
Department of Agronomy; 915 W. State St. West Lafayette Indiana
47907 US
Coordinator of Purdue Pesticide Programs
Purdue University
fwhitford@purdue.edu
765-494-1284
915 West State Street West Lafayette Indiana
47907 US
Assistant Professor
Purdue University
kawise@purdue.edu
(765) 496-2170
Botany and Plant Pathology; 915 W. State St. West Lafayette Indiana
47907 US
Associate Professor/Extension Specialist in Application Technology
Kansas State University
rewolf@ksu.edu
Kansas
US
Professor of Weed Science
Southern Illinois University
bgyoung@siu.edu
618-453-7679
1205 Lincoln Dr., MC-4415 Carbondale Illinois
62901 US



































