Date: Aug 06, 2013
Category:

Over the years, numerous research projects have investigated different aspects of fertilizer management for crops grown in California.  In many cases, however, a comprehensive, current, research-based overview of fertilizer management is missing.  In an effort to address this, CDFA’s Fertilizer Research and Education Program (FREP) is working collaboratively with researchers at UC Davis to make this information accessible in a user-friendly way. This project aims to synthesize information from peer-reviewed journal articles and research reports, and to make these summaries available online.

This joint effort has resulted in a series of interactive fertilization guidelines for major crops grown in California that present accurate, timely, efficient and effective crop nutrient information in a user-friendly, visually interactive interface. The guidelines include information about application rates, time of application, fertilizer placement and types of fertilizers. In addition, deficiency symptoms are described and the use of soil and plant tissue analysis is discussed.  Initially 10 priority crops were identified by considering acreage and nitrate sensitivity of the area in which they are grown. Guidelines for almonds, processing tomatoes, broccoli, and lettuce are available online. The remaining guidelines will be uploaded to the web page as the work is completed.

The guidelines complement the searchable, web-based database of FREP-funded research  introduced last year. Over the past 20 years FREP has funded million of dollars worth of scientific research on the environmentally safe and agronomically sound use of fertilizing materials.  Summaries of completed FREP research projects can now be accessed through the database.

To read the entire article on this program on the CDFA website, click here.

 

 

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