<H1>Herbicide Additives When do you need them??</H1> <P><UL> <LI><H2> postemergence applications </H2> </UL><UL> <LI><H2> certain weeds </H2> </UL><UL> <LI><H2> stressful conditions </H2> </UL><UL> <LI><H2> cheap insurance? </H2> </UL><UL> <LI><H2> may increase crop injury</H2> </UL></P> <P></P> <P>