Click BACK 1x. From the Weeds section, click Treatment Table . This is a list of the herbicides that are registered for use in California on corn. Apply after preirrigation and incorporate in top 2 inches of soil within 7 days of planting. Band application can reduce carryover.
Immediate incorporation is necessary.
Use high rates for perennial weeds. Requires cross-discing for best results. Apply after preirrigation and incorporate in top 2 inches of soil within 7 days of planting. View a copy of a label for one of the herbicides suggested for corn by the UC-IPM website. As you will see, problems can become very tricky when you are dealing with many weeds.