To Prevent Yield Loss in RR Soybeans<BR> control weeds by 4-5 weeks after planting <BR>or <BR>control weeds before they reach 6-9 in height <BR>or <BR>control weeds before the V3 stage<BR>Source:  Purdue University Extension Weed Science Group <BR>(4.32 million acres of RR soybeans planted in 2007)<BR>