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.

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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 San Joaquin rice variety trial location 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 Rice Exp. Station rice variety trial location Glenn rice variety trial location

Base image courtesy of the California Rice Commission

Upcoming Meetings & Events

USA Rice Outlook Conference, December 7-9, 2016

USA Rice Website  Meetings

Winter Grower Meetings, January 2017

Richvale & Glenn - Thursday, January 26
Colusa & Yuba - Friday, January 27

International Temperate Rice Conference,
March 6-9, 2017

More information at ITRC website

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).
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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

  • Armyworm Season Coming to an End

    Added August 29, 2016
    Moths per trap per week Aug25

    Finally, the armyworm season seems to be over. Moth trapping shows that the numbers are decreasing to the lowest levels of the season. Additionally,...

  • New Rice Weed Course September 16!

    Added August 3, 2016

    The 1st Annual Rice Weed Course will take place:  Friday, September 16, 2016 from 8:30AM to 4:15PM (Registration begins at 8:00AM) at...

  • Blast in M-209

    Added July 22, 2016
    IMG 5149

    Our two year stretch of little to no blast might be over. I visited an M-209 field last week that seemed to be infected with blast. The lesions...

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