Inspection Services Blog

Research Update: Biochar as a soil amendment

Note: This is part of a Research Update series that highlights projects funded by the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) annual grant program. Project Title: Soil biochar amendment to improve nitrogen and water management Project Leaders: Suduan Gao and Dong Wang (United States Department of Agriculture, Agricultural Research Service, San Joaquin Valley Agricultural Sciences …


New Technical Advisory Subcommittee Members Appointed

The Fertilizer Research and Education Program (FREP) welcomes Jan Hopmans, Sebastian Saa, and Daniel Rodrigues to the Fertilizer Inspection Advisory Board (FIAB) Technical Advisory Subcommittee (TASC). FREP also welcomes Jerome Pier as the reappointed TASC Chair. TASC is a group of scientific and technical experts who review and recommend funding for proposals submitted to the FREP grant program. Shown left …


Irrigation and Nitrogen Management Training Program Transitions to the California Department of Food and Agriculture

California’s Central Valley Regional Water Quality Control Board requires growers to prepare Irrigation and Nitrogen Management Plan (INMP) worksheets for land enrolled in the Irrigated Lands Regulatory Program. For most growers, INMP worksheets must be certified by a specialist or by a grower who has attended a California Department of Food and Agriculture (CDFA) training for grower self-certification. In 2015, …


FREP Awards $2 Million for Nutrient Management Projects

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) announces more than $2 million in grant funds are being awarded to agricultural organizations and universities as a result of the 2020 cycle of the competitive FREP Grant Program. These grants will fund 11 research projects to improve the efficiency of nitrogen (N) fertilization in California …


2020 Nutrient Management Conference Q&As – Session 5: Managed Aquifer Recharge on the Central Coast

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) presented their annual Nutrient Management Conference as a webinar October 28-29. This series of five blog posts links to each conference session and highlights the most common questions asked by the conference audience and presenters’ responses during the Q&A sessions. …


2020 Nutrient Management Conference Q&As – Session 4: Soil and Crop Nutrient Management

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) presented their annual Nutrient Management Conference as a webinar October 28-29. This series of five blog posts links to each conference session and highlights the most common questions asked by the conference audience and presenters’ responses during the Q&A sessions. …


2020 Nutrient Management Conference Q&As – Session 3: Efficient Management Practices in Almonds

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) presented their annual Nutrient Management Conference as a webinar October 28-29. This series of five blog posts links to each conference session and highlights the most common questions asked by the conference audience and presenters’ responses during the Q&A sessions. …


2020 Nutrient Management Conference Q&As – Session 2: Irrigation and Salinity Management

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) presented their annual Nutrient Management Conference as a webinar October 28-29. This series of five blog posts links to each conference session and highlights the most common questions asked by the conference audience and presenters’ responses during the Q&A sessions. …


2020 Nutrient Management Conference Q&As – Session 1: Sampling Techniques and Analyses

The California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) presented their annual Nutrient Management Conference as a webinar October 28-29. This series of five blog posts links to each conference session and highlights the most common questions asked by the conference audience and presenters’ responses during the Q&A sessions. …


Now Accepting Proposals for 2021 Fertilizer Research and Education Program Grants

The California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP) is now accepting proposals for the 2021 grant cycle. FREP’s competitive grant program funds research that advances fertilization practices and minimizes environmental impacts of fertilizing materials.  The 2021 Request for Proposals (RFP) includes several initiatives put forth by the department to help effectively manage nitrogen fertilizers in agriculture.   This year’s …