Michigan Asparagus Advisory Board
Mississippi State University
North Carolina State University
North Carolina State University Extension Service
North Carolina State University Extension Service Postharvest Handling
North Dakota State University Extension
Oregon State University
Our Vegetables Travelers
Purdue University
University of California, Davis
University of Illinois Extension
University of Kentucky
University of Missouri, Columbia
University of Nebraska
United States Department of Agriculture
Whole Health MD

Dr. Richter's Fresh Produce Guide, Published 2000
PMA Fresh Produce Manual, Published 1999
The Blue Book Reference Guide, Published 2007
USDA/AMS Quick Reference Manual, Revised 2007

www.leafy-greens.org
www.ncpecans.org
www.ncpotatoes.org
www.ncstrawberry.com
www.ncstrawberry.net
www.ncsweetpotatoes.com
www.ncvga.com
www.ncwatermelon.org
www.ncwine.org