Inspection Services Blog

Registration, Call for Posters Open for 29th Annual FREP/WPH Nutrient Management Conference

Registration is now open for the 29th annual Nutrient Management Conference, hosted by the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) and Western Plant Health (WPH). This year’s FREP/WPH Nutrient Management Conference will be held at the Embassy Suites hotel in San Luis Obispo, CA, October 27-28 and includes a farm tour which will …


CDFA Announces Vacancies on Fertilizer Research and Education Program’s Technical Advisory Subcommittee

The California Department of Food and Agriculture is announcing three vacancies on the Fertilizer Inspection Advisory Board’s (FIAB) Technical Advisory Subcommittee. This subcommittee serves as an expert scientific panel on matters concerning plant nutrition and nutrient management related to fertilizing materials use. It reviews all research and education proposals for the annual Fertilizer Research and Education Program (FREP) Grant Program and recommends …


Research Update: Drip Irrigation and Nitrogen Management of Onions

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: Assessing Drip Irrigation and Nitrogen Management of Fresh Onions Produced in California Low Desert Project Leader: Jairo Diaz, Director, Desert Research & Extension Center, University of California, Division of …


Save the Date!

Save the date! October 27-28, 2021, is when the annual FREP/WPH Nutrient Management Conference will be hosted by the California Department of Food and Agriculture (CDFA) Fertilizer Research and Education Program (FREP) in collaboration with Western Plant Health (WPH). The conference agenda focuses on the latest FREP-funded research results and practical applications of fertilizing materials for agricultural production in the …


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. …