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

Welcome to UC Rice Research and Information Center

We are 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.

Upcoming Meetings & Events

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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).  More Variety Trial Info


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


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 and Yolo County, RICE BRIEFS
• Butte and Glenn Counties, RICE LEAF
• Sutter/Yuba Counties, RICE NOTES

• San Joaquin County, FIELD NOTES

UC Rice Blog

  • Weed Management in 2023: what can we expect?

    Added May 19, 2023

    Coming out of 2022, where roughly half of all California rice fields were left fallowed last year, and others may have been fallowed for two seasons,...

  • Stem Rot Management Update

    Added May 12, 2023
    stem rot in rice

    In general, rice diseases are not a big problem in California. However, in some fields, disease pressure can be high and can result in yield...

  • Managing Rice in a Late Planted Year

    Added May 6, 2023

    This season may be a late-planted one due to the potential for a wet and cool spring. Our research has shown that delayed planting reduces yield...

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