University of California Rice On-line
University of California Rice On-line
University of California Rice On-line
University of California
University of California Rice On-line


University of California Rice On-line is an interdisciplinary team consisting of UC Cooperative Extension specialists, faculty and farm advisors dedicated to providing rice growers with up-to-date guidelines and information on rice production in California.


Rice growing area
 (lightest green) within California counties where rice is produced (darkest green). Rice variety yield trial locations are indicated (red pins). 

Information about UC Rice Variety Trials

Click or tap red pins to view variety trial data for each location

Locations of UC California rice variety yield trials Yolo rice variety trial location Yuba rice variety trial location Sutter I/L rice variety trial location Sutter VE rice variety trial location Colusa rice variety trial location Butte rice variety trial location South Butte rice variety trial location Rice Exp. Station rice variety trial location Glenn rice variety trial location San Joaquin variety trial location South Yolo variety trial location

Base image courtesy of the California Rice Commission

Upcoming Meetings & Events

County Cooperative Extension Newsletters

Newsletter cover thumbnail image
The following Cooperative Extension county offices distribute periodic Newsletters that contain useful information, announcements and resources about rice (and other crops).
Click to subscribe!

Colusa, Butte and Sutter/Yuba County rice newsletters serve Sacramento Valley counties and may contain the same or similar content:
Colusa County, RICE BRIEFS
• Butte County, RICE LEAF
• Sutter/Yuba Counties, RICE NOTES

• San Joaquin County, FIELD NOTES

UC Rice Blog

  • Mid Season Disease Update

    Added July 10, 2020
    IMG 3601

    There are a couple of interesting issues I have noticed while looking at fields, mostly in the northern part of the valley. One is bakanae....

  • New Rice Factsheets Available

    Added July 6, 2020
    Fact Sheet #2: Managing Potassium in Rice Fields

    The UCCE Rice Team has developed a series of Factsheets to simplify and convey information about important topics that we find we are frequently...

  • New California Rice Herbicide Available in 2020: RebelEX®

    Added June 24, 2020
    Rice field in Butte County, CA.

    A new herbicide is available this year for use in California rice: RebelEX®, manufactured by Corteva. It is a premix of two other well-known...

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