Fertilizer Research and Education Program
1220 N Street, Sacramento, CA 95814 • 916-900-5022 • frep@cdfa.ca.govThe Fertilizer Research and Education Program (FREP) funds and facilitates research to advance the environmentally safe and agronomically sound use and handling of fertilizing materials. FREP serves growers, agricultural supply and service professionals, extension personnel, public agencies, consultants, and other interested parties.
FREP News
Registration is open for the 2026 FREP/WPH Conference
FREP WPH Nutrient Management Conference
October 28-29, 2026
Hilton Stockton
2323 Grand Canal Blvd,
Stockton, CA 95207
About FREP
Grant Program
FREP / WPH Nutrient Management Conference
Irrigation and Nitrogen Management Plan Certification
California Crop Fertilization Guidelines