FREP Website Resources

Author Archives: Karen Adler
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 …
Nitrogen and Irrigation Initiative Provides Free Services to Growers
Background Due to historical overapplication of nitrogen (N) fertilizers, California growers are facing increasingly stringent water quality regulations. This is especially true in intensively cultivated agricultural areas like the San Joaquin Valley and Central Coast region, where nitrate from fertilizers and other sources can be found in groundwater. For the communities in these locations that rely solely on wells for …
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 …
New Pistachio, Processing Tomato, and Almond Videos Summarize Latest 4R Research and Provide Grower Continuing Education Units
As part of its Crop Nutrient Minute video series, the Coalition for Urban Rural Environmental Stewardship (CURES) has recently released videos in English and Spanish for pistachio, processing tomato, and almond production that provide the latest crop-specific information on efficient nitrogen fertilizer applications and irrigation practices that minimize movement of nitrate to groundwater. This video series was funded by a …
Registration Open for 2024 California Plant and Soil Conference
The 2024 California Plant and Soil Conference will be held on February 6-7 at the DoubleTree Hotel in Fresno, California. The conference is organized by the California Chapter of the American Society of Agronomy (CA ASA), which launched the annual event in 1972. Registration is now open. The annual conference provides a forum where students, professionals, and other attendees can …
Research Update: Next Generation Nitrogen Management Training for Certified Crop Advisors Online Course Open for Enrollment
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. The online Nitrogen (N) Management Training for Certified Crop Advisors (CCAs) is open for enrollment between June 1, 2023, and May 31, 2024. The self-paced course covers N …