Requests for seed of alfalfa standard checks that are non-proprietary should be directed to:

Dave Stout
USDA/ARS/PWA
59 Johnson Hall
Washington State University
Pullman, WA 99164-6402
Phone: (509) 335-3510
e-mail: dave.stout@ars.usda.gov

Researchers seeking proprietary checks should contact source companies directly.