FREP Website Resources
Tag Archives: Nitrogen Management
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 …
Registration Open for 2025 California Plant and Soil Conference
The 2025 California Plant and Soil Conference will be held on February 6 – 7, 2025, at the Wyndham Visalia. The conference is organized by the California Chapter of the American Society of Agronomy (CA ASA). Registration is now open and early bird registration is available through January 10, 2025. The annual conference provides an opportunity for students, professionals, and …
Research Update: Estimating Nitrogen Removal from the Harvested Portion of Central Coast 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) annual grant program. Project Title: Nitrogen Content of the Harvested Portion of Specialty Crops to Estimate Crop Nitrogen Removal and Improve Nitrogen Management in Crops Project Leaders: Richard Smith, University of California Cooperative …
2025 Fertilizer Research and Education Program (FREP) Grant Solicitation
Each year, FREP solicits proposals for outreach, education, demonstration, and research projects related to nutrient and irrigation management for California agriculture. Funding Categories Outreach, education, and demonstration: Projects focused on increasing the adoption of efficient nutrient and irrigation management practices and technologies through technical education. Research and demonstration: Projects investigating innovative practices and technologies and understanding processes related to nutrient …
Research Update: Using High Carbon Amendments to Reduce Winter Nitrate Leaching in Vegetable Rotations
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) annual grant program. Project Title: Immobilization of Nitrate in Winter-Fallow Vegetable Production Beds to Reduce Nitrate Leaching Project Leaders: Project Status: Completed in 2023 Project Location: Commercial farms located on the Central Coast …