One such method is commonly called tank mixing in which the two essential ingredients in {HEAD ~ their commercially available forms} are mixed together by the farmer or entomologist in the quantity of water most useful for {TAIL ~ the direct application} 
One such method is commonly called tank mixing in which the two essential ingredients in { HEAD ~ their commercially available forms } are mixed together by the farmer or entomologist in the quantity of water most useful for { TAIL ~ the direct application }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL