The USDA National Institute of Food and Agriculture provides an important link between research-based agricultural information and those individuals directly involved with the production and marketing of agricultural products in the U.S. The state Extension soybean specialists listed in this document, usually located at land-grant colleges and universities , are responsible for educational programming relative to soybean production and management issues within their respective states. Many of these individuals also conduct applied field research on important soybean issues in their states. Where available, links to university crop variety testing Web sites are also listed for each state.
Please let me know of corrections or
additions to this list.
Click on a state on the map image or browse through the list of states that follows.

Alabama
- Dr. Dennis Delaney
- Department of Agronomy &
Soils
106 Extension Hall
Auburn University, Alabama 36849
Ph. 334 844-4107
FAX: 334 844-4586
Email: ddelaney@acesag.auburn.edu
Web: Alabama Crops
Arkansas
- Dr. Jeremy Ross
- Arkansas Cooperative Extension Service
P.O. Box 391
2301 S. University Ave
Little Rock, AR 72203
Ph. 501-671-2148
FAX: 501-671-2297
Email: jross@uaex.edu
Colorado
- Dr. Jerry J. Johnson
- Department
of Soil and Crop Sciences
Colorado State University
Plant Sciences Bldg., Room C-07
Fort Collins, CO 80523
Ph. 970 491 1454
FAX: 970-491-2758
Email: jerry.johnson@colostate.edu
- Ron Meyer
- Golden Plains
Area Cooperative Extension
251 16th Street, Suite 101
Burlington, CO 80807-1674
Ph. 719 346 5571
FAX: 719 346 5660
Email: rmeyer@coop.ext.colostate.edu
Web: Crops & Soils Resources
Delaware
- Dr. Richard Taylor
- Department of Plant & Soil Science
University of Delaware
Newark, DE 19716
Ph. 302 831 1383
FAX:
Email: rtaylor@udel.edu
Florida
- Dr. David Wright
- North Florida
Research and Education Center
University of Florida
155 Research Road
Quincy, Florida 32351
Ph. 850 875 7119
FAX: 850 875 7188
Email: wright@ufl.edu
Georgia
- Dr. Jared Whitaker
- University of Georgia
Southeast District
P.O. Box 8112, GSU
Statesboro, GA 30460-8112
Ph. (912) 681-5639
FAX:
Email: jared@uga.edu
Web: Soybean Information
Illinois
- * Currently Vacant *
- Department of Crop Sciences
.
1102 S. Goodwin Ave.
University of Illinois
Urbana, IL 61801
Ph. 217-244-7497
FAX: 217 333 9817
Email:
Indiana
- Dr. Shaun Casteel
- Department of Agronomy
Purdue University
W. Lafayette, IN 47907-1150
Ph. 765-494-0895
FAX: 765 496 2926
Email: scasteel@purdue.edu
Web: Soybean Management
Iowa
- Dr. Andy Lenssen
- Department of Agronomy
2104 Agronomy Hall
Iowa State University
Ames, IA 50011
Ph. 515-294-1060
FAX: 515 294 9985
Email:alenssen@iastate.edu
Web: Soybean Extension and Research
Kansas
- Dr. Kraig Roozeboom
- Department of
Agronomy
Throckmorton Hall
Kansas State University
Manhattan, KS 66506
Phone: (785) 532-5776
FAX: (785) 532-6315
Email: kraig@ksu.edu
Web: Soybean Information
Kentucky
- Dr. Chad Lee
- Department of Plant & Soil Sciences
N-106 ASC-North
College of Agriculture
University of Kentucky
Lexington, KY 40546-0091
Tel: (859) 257-3203
FAX (859) 323-2185
Email: cdlee2@uky.edu
Web: Grain Crops Extension
- Dr. Jim Herbek
- University of Kentucky
Research and Education Center
P.O. Box 469
Princeton, KY 42445
Tel: 502 365 7541
FAX: 502 365 2667
Email: jherbek@uky.edu
Louisiana
- Dr. Ronnie Levy
- Dean Lee
Research Station
8105 Tom Bowman Drive
Louisiana State University
Alexandria, LA 71302
Ph. (337) 788-8821
FAX:
Email: rlevy@agcenter.lsu.edu
Web: Soybean Information
Maryland
- Dr. Robert Kratochvil
- Department of Plant Science and Landscape Architecture
College of Agriculture and Natural Resources
H.J. Patterson Hall
University of Maryland
College Park, MD 20742
Tel: 301 405 6241
FAX: 301 314 9041
Email: rkratoch@umd.edu
Web: Maryland Cropping Systems
- Dr. William J. Kenworthy
- Soybean Variety Improvement Program
Department of Plant Science and Landscape Architecture
College of Agriculture and Natural Resources
H.J. Patterson Hall
University of Maryland
College Park, MD 20742
Ph. 301 405 1324
FAX: 301 314 9041
Email: wk7@umail.umd.edu
Web: Maryland Cropping Systems
Michigan
- Dr. Kurt Thelen
- Department of Crop & Soil Sciences
276 Plant and Soil Sciences Building
Michigan State University
East Lansing, MI 48854-1325
Tel: 517 353 1939
FAX: 517 353 5174
Email: thelenk3@msu.edu
Web: Field Crops Web Site
- Mike Staton
- Michigan State Extension
Human Services Building
3255 122nd Ave. Suite 101
Allegan, Michigan 49010
Tel: 269-673-0370
FAX: 269-673-7005
Email: staton@msu.edu
Web: Field Crops Web Site
Minnesota
- Dr. Seth Naeve
- Department of Agronomy &
Plant Genetics
1991 Buford Circle
University of Minnesota
St. Paul, MN 55108
Ph. 612 625 4298
FAX: 612 625 1268
Email: naeve002@umn.edu
Web: Just For Growers
Mississippi
- Dr. Trey Koger
- Department of
Plant and Soil Sciences
College of Agriculture and Life Sciences
Box 9555
Mississippi State University
Mississippi State, MS 39762-9555
Ph: 662 686-3238
FAX: 662 325 8742
Email: tkoger@drec.msstate.edu
Web: Soybean Information
Missouri
- Dr. Bill Wiebold
- Division of Plant Sciences
214 Waters Hall
University of Missouri
Columbia, MO 62511
Ph. 573 882 0621
FAX: 573 884 1467
Email: wieboldw@missouri.edu
Web: Soybean Page
Nebraska
- Dr. Charles Wortmann
Extension Soil Fertility Specialist - University of Nebraska-Lincoln
58C Filley Hall
Lincoln, Nebraska 68588-0724
Phone: 402 472 2909
FAX:
Email: cwortman@unlnotes.unl.edu
New Jersey
- Dr. Zane Helsel
- Rutgers University
59 Dudley Road
186 Foran Hall, Cook Campus
New Brunswick, NJ 08901-8520
Ph. 732-932-9711 x153
FAX: 732-932-4293
Email: helsel@AESOP.Rutgers.edu
New York
- Dr. Bill Cox
- Department of Crop & Soil Sciences
141 Emerson Hall
Cornell University
Ithaca, NY 14853<
Ph. 607 255 1758
FAX: 607 255 6143
Email: wjc3@cornell.edu
North Carolina
- Dr. E. James Dunphy
- Department of Crop Science
Box 7620
2408 Williams Hall
North Carolina State University
Raleigh, NC 27695-7620
Ph. 919 515 5813
FAX: 919 515 5855
Email: jim_dunphy@ncsu.edu
Web: Soybean Information>
North Dakota
- Dr. Hans Kandel
- Department of Plant Sciences
North Dakota State University
Loftsgard Hall 266H
Fargo, ND 58108-6050
Ph. 701-231-8135
FAX: 701 231 8474
Email: hans.kandel@ndsu.edu
Ohio
- Laura Lindsey
- Department of Horticulture and Crop Science
2021 Coffey Road
The Ohio State University
Columbus, OH 43210
Tel: 614 292 9080
FAX: 614 292 7162
Email: lindsey.233@osu.edu
Oklahoma
- Dr. Chad Godsey
- Department of Plant and Soil Sciences
376 Ag Hall
Oklahoma State University
Stillwater, OK 74078-6028
Ph. 405 744-3389
FAX: 405 744 0354
Email: chad.godsey@okstate.edu
Pennsylvania
- Dr. Greg Roth
- Department of Crop & Soil Sciences
407 Agricultural Sciences and Industries Building
The Pennsylvania State University
University Park, PA 16802-3504
Phone: 814 863 1018
FAX: 814 863 7043
Email: gwr@psu.edu
Web: Corn & Soybean Management
South Carolina
- H. David Gunter
- Department of
Entomology, Soils, & Plant Sciences
Clemson University
Edisto Research & Education Center
64 Research Rd.
Blackville, SC 29817
Ph. 803-284-3343 ext. 274
Mobile 843-616-2133
Email dgunter@clemson.edu
Web: Soybean Information
- Dr. Pawel Wiatrak
- Department of Entomology, Soils, & Plant Sciences
Clemson University
Edisto Research & Education Center
64 Research Rd.
Blackville, SC 29817
Ph. 803-284-3343 ext. 261
FAX: 803-284-3684
Email: pwiatra@clemson.edu
Web: Soybean Information
South Dakota
- Dr. Robert Hall
- Department of Plant Sciences
AGH 226, Box 2207A
South Dakota State University
Brookings, SD 57007
Tel: 605 688 4760
FAX:
Email: Robert_Hall@sdstate.edu
Web: Extension Soybean
Tennessee
- Dr. Angela Thompson McClure
- Department of Plant Sciences
University of Tennessee Agricultural Extension Service
605 Airways Blvd.
Jackson, TN 38301
Ph. 731-425-4706
FAX: 731-425-4720
Email: athomp15@utk.edu
Web: UT Crops Soybean Resources
Texas
- Dr. James J. Heitholt
- Department of Ag Sciences
Texas A&M University
Commerce, Texas
Tel: 903-886-5351
FAX:
Email: j-heitholt@tamu.edu
Virginia
- Dr. David L. Holshouser
- Tidewater Agriculture Research and
Extension Center
Virginia Tech
6321 Holland Road
Suffolk, VA 23437
Ph. 757 657 6450
FAX: 757 657 9333
Email: dholshou@vt.edu
Web: Virginia Soybean Production
Wisconsin
- Dr. Shawn Conley
- Department of Agronomy
1575 Linden Dr.
University of Wisconsin
Madison, WI 53706-1597
Ph. 608 262 7975
FAX: 608 262 5217
Email: spconley@wisc.edu
Web: CoolBean.info
