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

  • Clam shrimp versus tadpole shrimp

    Added May 3, 2020
    IMG 6341

    While checking traps recently, I noticed a lot of activity in the water in several recently flooded fields. A quick glance into the water might make...

  • Aqua-ammonia versus liquid urea - round two

    Added May 2, 2020
    2020 aqua vs liquid urea graph

    Following my blog post about a week ago about using urea or aqua-ammonia (aqua), a number of people have been asking to see the data. The study was...

  • Early rice planting this year in California

    Added May 1, 2020
    2020 Early planting date figure

    This morning I was out with several members of our research team on the northwest side of the valley planting a variety trial. The grower we were...

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