A method for controlling {HEAD ~ weeds} comprising administering an effective amount for controlling said weeds of {TAIL ~ at least one compound} of formula 1 or a salt thereof to the weeds or their habitat 
A method for controlling { HEAD ~ weeds } comprising administering an effective amount for controlling said weeds of { TAIL ~ at least one compound } of formula 1 or a salt thereof to the weeds or their habitat
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH