Tag Archives: California Fertilizer Research

Registration and Call for Posters Open for 34th Annual FREP/WPH Nutrient Management Conference

The California Department of Food and Agriculture (CDFA) announces registration is open for the 34th Annual Nutrient Management Conference hosted by CDFA’s Fertilizer Research and Education Program (FREP) and Western Plant Health (WPH). This year’s conference will be held at the Hilton Stockton in Stockton, CA, October 28-29, 2026, and includes an optional pre-conference tour of the Port of Stockton 1-4 p.m. October …


Observations from the Field: Visiting FREP Project Assessing Low Desert Crop Nitrogen Removal Coefficients

Note: This is part of a Research and Outreach Update series that highlights projects funded by the California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP) annual grant program. Project Title Determination of Crop Nitrogen Removal Coefficient Values for the Imperial and Coachella Valley Cropping Systems Project Leader Ali Montazar, University of California Cooperative Extension (UCCE) Irrigation …


CAPCA

Join the CAPCA Board of Directors and staff to celebrate 52 years of the CAPCA Conference, celebrating the past and looking toward the future. Your registration includes:


Observations from the Field: Central Coast Growers Adopt Winter Cover Crops to Improve Nitrogen Use Efficiency and Facilitate Regulatory Compliance

Note: This is part of a Research and Outreach Update series that highlights projects funded by the California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP) annual grant program. Project Title: Facilitating Grower Adoption of Cover Crop Nitrogen Scavenging to Minimize Residual Nitrogen Loss and Comply with the Irrigated Lands Water Quality Protection Program (Ag Order 4.0) …


Research Update: Nitrogen Management for Industrial Hemp Cultivars

Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture Fertilizer Research and Education Program (FREP) . Project Title: Nitrogen Response of Industrial Hemp Cultivars Grown for CBD, Essential Oils Project Lead: Robert B. Hutmacher, UC Davis   Project Status: Complete (Three-year project)     Project location: Davis and Five Points, CA Overview: This FREP-funded project …


CDFA Awards $1.69M for Research, Outreach and Education Projects to Improve Irrigation and Nutrient Management Practices

SACRAMENTO, February 19, 2026 – CDFA’s Fertilizer Research and Education Program (FREP) announces $1.69 million in grant funding for six projects to advance California growers’ understanding and implementation of improved nitrogen and irrigation management practices. Benefits of the awarded projects include increased water quality, reducing nitrate leaching into groundwater, optimizing nitrogen management in organic cropping systems and more. This funding is being …