Research Update: Nitrogen Fertilizer Loading to Groundwater in the Central Valley

Research Project: Nitrogen Fertilizer Loading to Groundwater in the Central Valley. Thomas Harter et al. Status: Completed Issue: Nitrogen, in the form of nitrate, is the most common pollutant found in Central Valley groundwater. Nitrate has a maximum contaminant level (MCL) in drinking water of 45mg/L (NO3). Under natural conditions, groundwater nitrate may occur in […]

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Fertigation Short Course

What: A one-day short course on fertigation is being offered by the Cal Poly Irrigation Training and Research Center (ITRC) with funding from the Fertilizer Research and Education Program (FREP). The course covers new techniques in the control and application of fertilizers through irrigation systems, and strategies to comply with new nitrogen regulations in California.

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2018 Request for Proposals

The Fertilizer Research and Education Program (FREP) funds and facilitates research to advance the environmentally safe and agronomically sound use of fertilizer in California. The FREP grant program uses a two-phase annual process. Phase I, the submission of concept proposals, is now open! Each year, research priorities are released in December with the Request for […]

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2017 FREP/WPHA Conference: Save the Date and Call for Posters

Every fall, the California Department of Food and Agriculture’s Fertilizer Research and Education Program (FREP) and the Western Plant Health Association (WPHA) host a two-day nutrient management conference. The agenda focuses on the latest FREP-funded research results and practical applications of fertilizing materials for agricultural production in the state of California. On November 1-2, 2017, […]

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Research Update: Data Driven Nitrate Leaching Hazard Index and BMP Assessment Tool

Research Project: A Data Driven Nitrate Leaching Hazard Index and BMP Assessment Tool – O’Geen, A. et al. Status: Second year of a three year study Issue: California growers are faced with the challenge of producing high-quality crops while minimizing the movement of fertilizer nitrogen to groundwater. One major difficulty is identifying the growing areas […]

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Nitrogen Management Training

The Fertilizer Research and Education Program (FREP) supports education on nutrient management in agriculture and encourages the adoption of beneficial management practices. Currently, FREP is supporting two major projects in nitrogen management: Certified Crop Adviser training and grower training. The infographic below shows the up-to-date outcomes of these projects. For more information about the nitrogen […]

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Save the Date for the FREP/WPHA Conference

Every fall, the California Department of Food and Agriculture’s Fertilizer Research and Education Program (FREP) and the Western Plant Health Association (WPHA) host a two-day nutrient management conference. The agenda focuses on the latest FREP-funded research results and practical applications of fertilizing materials for agricultural production in the state of California. On October 26 and […]

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Welcome to the FREP Blog

The Fertilizer Research and Education Program (FREP) has created this blog to give you the latest nutrient management news and information for California growers, advisors, researchers and agencies. Bringing Research into Practice To bridge the gap between research conclusions and farming practices in the field, FREP is engaged in several outreach and educational activities: The […]

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