N-Phenylsulfonyl-N'-pyrimidinyl- and -triazinylureas of the formula I STR1 wherein A is 3,3,3-trifluoropropyl or 3,3-difluorobutyl, R1 is hydrogen, halogen, nitro, cyano, C1 -C4 -alkyl, C1 -C4 -haloalkyl, C1 -C4 -alkoxy, C1 -C4 -alkylthio, C1 -C4 -alkylsulfinyl, C1 -C4 -alkylsulfonyl, --CO--R6, --NR7 R8, --CO--NR9 R10 or --SO2 --NR11 R12, R2 is hydrogen, halogen, C1 -C4 -alkyl, C1 -C4 -alkoxy, C1 -C4 -alkylthio, C1 -C4 -alkylsulfinyl or C1 -C4 -alkylsulfonyl, R3 and R4 independently of one another are each hydrogen, halogen, C1 -C4 -alkyl, C1 -C4 -haloalkyl, C2 -C4 -haloalkoxy, C1 -C4 -alkylthio, C1 -C4 -haloalkylthio, C2 -C4 -alkoxyalkyl, C1 -C4 -alkoxy or --NR12 R13, R5 is hydrogen, C1 -C4 -alkyl or C1 -C4 -alkoxy, R6 is C1 -C4 -alkoxy, C1 -C4 -haloalkoxy, C1 -C4 -alkylthio, C2 -C6 -alkoxyalkoxy, hydrogen, C1 -C4 -alkyl or C1 -C4 -haloalkyl, R7, R8, R9, R10, R11, R12 and R13 independently of one another are each hydrogen or C1 -C4 -alkyl, E is nitrogen, and Z is oxygen or sulfur; and also the salts of these compounds.
