Inspection Services Blog

Research Update: Controlled Release Nitrogen Fertilizers

Project Title: Field Evaluation and Demonstration of Controlled Release Nitrogen Fertilizers in the Western United States Project Leaders: Charles Sanchez, University of Arizona, and Richard Smith, University of California Cooperative Extension Monterey County Project Status: Complete Overview: Controlled Release Nitrogen (CRN) has the potential to increase nitrogen use efficiency in desert vegetable production systems, by better matching nitrogen release with …


Upcoming Events of Interest

The California Department of Food and Agriculture’s Fertilizer Research and Education Program (FREP) will be tabling at a few upcoming events. Stop by to say ‘hello’ and pick up some of FREP’s educational materials on nutrient and irrigation management. Small Farms Conference What: Join us this February in Davis for the 31st annual California Small Farm Conference. This gathering is …


Research Update: Nitrogen Concentrations in Harvested Material

Project Leaders: Charlotte Gallock, Kings River Conservation District, John Dickey, Southern San Joaquin Valley Management Practices Evaluation Program (MPEP), and Ken Cassman, Senior Agronomic and Soils Advisor Project Status: Year One Overview: The goal of this project is to assist Central Valley growers and coalitions with nutrient management planning and performance assessment by updating nitrogen (N) removal coefficients and nitrogen …


New Technical Advisory Subcommittee Members Appointed

We are pleased to welcome Tom Bottoms and Suduan Gao to the Fertilizer Research and Education Program’s (FREP) Technical Advisory Subcommittee (TASC). TASC reviews and recommends research and education proposals for funding to the department’s Fertilizer Inspection Advisory Board. Tom Bottoms With a background in research, education, and now production, Dr. Tom Bottoms brings technical and applicable research expertise to …


FREP Appearances at Upcoming Events in 2019

The California Department of Food & Agriculture’s Fertilizer Research and Education Program (FREP) will have a booth or table at events in the upcoming months. Stop by to say ‘hello’ and pick up educational materials about nutrient and irrigation management. Plant and Soil Conference What: The California chapter of the American Society of Agronomy hosts this annual conference to promote …


2019 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! Below is a list of frequently asked questions to address common concerns. If you have any additional …