FREP Website Resources
Tag Archives: California Agriculture Research
Research Update: Adoption of Cover Crops to Minimize Residual Nitrogen Loss
Note: This is part of a Research Update series highlighting projects funded by the annual, competitive grant of the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP). 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: High-Frequency Low-Concentration Fertigation Improves Nitrogen Management While Reducing Nitrate Leaching to Groundwater
Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP) Grant Program. Project Title: Irrigation and Nitrogen Management, Monitoring, and Assessment to Improve Nut Production While Minimizing Nitrate Leaching to Groundwater Project Leaders: Project Status: Completed Location: Modesto, CA Left image: Modesto site …
Research Update: Certification and Distance Learning for Fertigation
Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture (CDFA), Fertilizer Research and Education Program (FREP). Project Title: Certification and Distance Learning for Fertigation Project Lead: Dr. Stuart Styles, Irrigation Training and Research Center (ITRC), Cal Poly State University in San Luis ObispoProject Status: Complete (3-year project) Project location: ITRC, Cal Poly State University …
Research Update: Site-Specific Fertilization Recommendations for Annual Crops
Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP). Project Title: Development of Site-specific Nitrogen Fertilization Recommendations for Annual Crops Project Lead: Daniel Geisseler, Cooperative Extension Specialist, Department of Land, Air and Water Resources, University of California, Davis Project Status: Complete Project location: Field trials in commercial …
Research Update: Irrigation and Nitrogen Best Management Practices for Low Desert Lettuce
Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP). Project Title: Developing Tools and Information on Irrigation and Nitrogen Best Management Practices in California’s Low Desert Lettuce Production Systems Project Lead: Ali Montazar, Irrigation and Water Management Advisor, University of California Cooperative Extension (UCCE), Desert …
Save the Date for October 29-30 Nutrient Management Conference
Save the date! On October 29-30, 2025, the annual Nutrient Management Conference will be hosted by the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP), in collaboration with Western Plant Health (WPH). The conference agenda will focus on the latest FREP-funded research findings and outreach projects, as well as information on best irrigation and nutrient …