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

  • Should I apply Zinc or not?

    Added April 3, 2020

    We have gotten several calls about the use of zinc (Zn) fertilizers to address potential Zn deficiencies. The price of zinc is going up, and it is...

  • Herbicide Trial in Delta Drill-Seeded Rice

    Added March 23, 2020
    IMG 2991

    Weeds are important pests of California rice systems, and weed management can account for roughly 17 percent of total operating costs, according to...

  • How farmers managed rice during a wet May in 2019

    Added January 23, 2020
    1983-2019 May rainfall. Data are an average from three CIMIS stations (Durham, Colusa and Davis).

    During the January UCCE Rice Winter Grower meetings I asked the audience a number of questions related to how they managed rice in 2019 when they...

Webmaster Email: