FREP Website Resources
Role of Mineralization in Farming
California growers have taken on an important role in their state’s broader efforts on climate change, including responding to regulatory requirements to improve their nitrogen (N) use efficiency and reduce their environmental impact. To meet these regulations, while maintaining crop yield and quality, growers must consider all potential N sources, including organic amendments and irrigation water. It is essential that …
Approaching Research Data and Trials
The agriculture industry is continuously advancing and investing in new technologies and products, making it important to take a thoughtful and informed approach to planning and decision making. The following is a list of considerations to reference the next time you are looking at research results: 1. Data: If you are considering a new product or practice, do not be …
Demonstrating New Approaches to Almond Nitrogen Management
Project Title: Demonstration of a combined new leaf sampling technique for nitrogen analysis and nitrogen applications approach in almonds Project Leaders: Patrick Brown, University of California, Davis; Blake Sanden, University of California Cooperative Extension, Kern County; Allan Fulton, University of California Cooperative Extension, Tehama County; David Doll, University of California Cooperative Extension, Merced County. Project Status: Year 3 of 3 …
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 …