<H1>Post Herbicide Use Guidelines</H1> <P><UL> <LI><H2>Repeat applications are most effective for tough perennials. </H2> </UL><UL> <LI><H2>Apply during good growing conditions when adequate soil moisture is present. </H2> </UL><UL> <LI><H2>Add a surfactant if called for on label.</H2> </UL></P>