Fertilizer Research and Education Program

Fertilizer Research and Education Program

1220 N Street, Sacramento, CA 95814  •  916-900-5022  •  frep@cdfa.ca.gov

The 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

flowers
About FREP
peaches
Grant Program
grapes FREP / WPH Nutrient Management Conference
almondsIrrigation and Nitrogen Management Plan Certification
lettuce
California Crop Fertilization Guidelines
lettuce bed with fertilizerResearch and Project Database
lettuce rowTechnical Advisory Subcommittee
tomatosResources