FREP Website Resources
Recap: The 2019 FREP/WPHA Nutrient Management Conference
The 27th annual Fertilizer Research and Education Program (FREP) and Western Plant Health Association (WPHA) Conference took place in Fresno, California, on October 28-30, 2019. Speakers from industry, academia and agricultural consulting provided pioneering information on nutrient and irrigation management in California agriculture. Below you will find highlights of some of the talks at this year’s conference. The PowerPoint presentations …
Registration Now Open for 27th FREP/WPHA Nutrient Management Conference
The California Department of Food and Agriculture’s (CDFA) Fertilizer Research and Education Program (FREP) and the Western Plant Health Association (WPHA) will host their 27th annual fertilizer research conference at the DoubleTree Hilton Hotel in Fresno, California, on October 28-30. The event includes a farm tour on October 28. This conference brings together industry professionals and academic researchers to learn …
2019 FREP/WPHA Conference: Save the Date and Call for Posters
Every fall, the California Department of Food and Agriculture’s Fertilizer Research and Education Program (FREP) and the Western Plant Health Association (WPHA) host a nutrient management conference. The agenda focuses on the latest FREP-funded research results and practical applications of fertilizing materials for agricultural production in the state of California. On October 28-30, 2019, the FREP/WPHA Conference will be held …
Updated Fertigation Book
In California agriculture, there has been a gradual shift from gravity-fed irrigation to pressurized systems including micro-irrigation. Micro-irrigation systems have been implemented in over 60% of irrigated acreage in California and support a more intensively managed production system. The use of pressurized irrigation systems has made significant advancements possible, including more precise delivery of chemicals and nutrients to crops. Chemigation …
Developing Nutrient Budget in Citrus Groves
Research Update: Developing Nutrient Budget and Early Spring Nutrient Prediction Model for Nutrient Management in Citrus Project leaders: Patrick Brown and Douglas Amaral Project location: Fresno, Tulare and Ventura Counties Year of study: 2 of 3 Overview: Leaf analysis with critical value* interpretation is a common practice for determining nutrient applications in citrus. However, this practice can lead to over-application …
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 …