PROWL (pendimethalin) has provided economical control of broadleaf weeds and grasses in a reduced tillage cotton production system in West Texas. The use of PROWL tank mixed with Probe(l) (methazole) and Caparol(2) (prometryn) has proven to increase the control of certain broadleaf weeds and grasses. A 1989 experimental study demonstrated effective weed control with no injury to the cotton.