<H1>Topic for Discussion</H1> <P><UL> <LI><H2>calibration </H2> </UL><UL> <LI><H2>timing </H2> </UL><UL> <LI><H2>adjuvants </H2> </UL><UL> <LI><H2>nozzle selection </H2> </UL><UL> <LI><H2>spray volume </H2> </UL><UL> <LI><H2>antagonism</H2> </UL></P>