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

2019 Rice Outlook Conference

Dec 8 - 10, 2019

Little Rock, Arkansas



Winter Grower Meetings

Richvale: Monday, Jan. 13, 8:30 am, Evangelical Church
Willows:  Monday, Jan. 13, 1:30 pm, Glenn County Office of Education
Colusa: Tuesday, Jan. 14, 8:30 am, Colusa Casino Resort
Yuba City: Tuesday, Jan. 14, 1:30 pm, Veterans Hall
Woodland: Wednesday, Jan 15, 1:30 pm, Norton Hall

2020 Rice Technical Working Group

February 24-27, 2020

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

  • Rice Weed Survey Starting This Week

    Added October 22, 2019
    Monochoria vaginalis

    Similar to the disease survey we did last month, UC Cooperative Extension will be surveying rice weeds this fall. The survey implementation was...

  • Rice Sustainability Webinars - First One Next Week

    Added October 12, 2019
    Rice Experiment Station, Biggs, CA

    Webinar - U.S. Rice: The Sustainability Powerhouse An American Society of Agronomy webinar sponsored by The Rice Foundation and USDA Natural...

  • Field Survey of Rice Diseases Ongoing

    Added September 13, 2019

    UC Cooperative Extension is conducting a survey of rice diseases this fall. The objective of the survey is to document the incidence of rice...

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