FREP Website Resources
Nitrate Quick Test
The nitrate quick test (NQT) is a cost-effective tool that can be used in nutrient management planning to determine the residual soil nitrate concentration. The results from the test can be used to improve fertilizer management and assist growers in accurately meeting crop needs. Here is an outline of the steps for preparing soil samples, conducting the test and calculating …
Research Update: Examining the Capabilities of Biochar to Adsorb Ammonium
Project Title: Soil Biochar Amendment to Improve Nitrogen and Water Management Project Leader: Suduan Gao, Research Soil Scientist, USDA-ARS Project Location: San Joaquin Valley Year of Study: Two of three Overview: The goal of this study is to determine the overall benefits and best practices associated with the use of biochar, as a soil amendment, in vegetable crop production systems. …
Vacancies on FREP’s Technical Advisory Subcommittee
The California Department of Food and Agriculture is announcing three vacancies on the Fertilizer Research and Education Program’s (FREP) Technical Advisory Subcommittee (TASC). The TASC reviews and recommends research and education proposals for funding and implementation to the department’s Fertilizer Inspection Advisory Board. Applicants must demonstrate technical, applied, and scientific expertise in the fields of agronomy, soil science, plant physiology, …
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 …