If you didn't get a chance to listen to Whitney Brim-DeForest's webinar presentation on "Integrated Weed Management Rice Systems" (Part 3 of the UCCE Sutter-Yuba-Colusa Continuing Education Series), here it is: 
https://www.youtube.com/watch?v=jSfCXFmOyXY
Whitney Brim-DeForest is the UC Cooperative Extension County Director (Sutter-Yuba counties) and Rice and Wild Rice Advisor (Sutter-Yuba, Capitol Corridor MCP, and Placer-Nevada counties).
If you have questions regarding the presentation, contact Whitney at wbrimdeforest@ucanr.edu.