Adjust rates on light, sandy soils and treat at least 4 weeks after planting or preferably the following winter. Grazing livestock is prohibited. A Apply fall through spring before weeds germinate or apply foliar-active herbicide to control existing vegetation. Irrigation or shallow incorporation is recommended for treatments made November through February if no rain falls within 2 weeks after application. Irrigate within 24 hours to wet soil 2 to 4 inches deep when applied March through October.
Performance is reduced with excessive plant residues on soil surface.
A Apply late fall or early spring to bare soil or after existing vegetation has been destroyed by tillage or use of a foliar-active herbicide. Use higher rates or split treatments and apply in fall and spring for longer residual control. Irrigate with at least 0.5 inch of water or rain to activate herbicide. Shallow cultivation can provide control of newly germinated weeds without reducing herbicide activity. A A restricted-use pesticide.