It is most conveniently prepared in {HEAD ~ aqueous form} immediately prior to use, for example, as {TAIL ~ a spray} for insect infested crops 
It is most conveniently prepared in { HEAD ~ aqueous form } immediately prior to use , for example , as { TAIL ~ a spray } for insect infested crops
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH