Herbicidally active pyrazol-4-ylbenzoyl compounds

A pyrazol- 4-ylbenzoyl compound of the formula I ##STR18## where the substituents are as follows:

• L, M are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.4 -alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C.sub.1 -C.sub.4 -alkoxy or are halogen, cyano, nitro, a group --(Y).sub.n --S(O).sub.m R.sup.7 or a group --(Y).sub.n --CO--R.sup.8
• Z is a 5- or 6-membered heterocyclic saturated or unsaturated radical which has one to three hetero atoms selected from the group consisting of oxygen, sulfur and nitrogen and which is unsubstituted or substituted by halogen, cyano, nitro, a group --CO--R.sup.8, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -haloalkylthio, di-C.sub.1 -C.sub.4 -alkylamino, by phenyl which is unsubstituted or substituted by halogen, cyano, nitro, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -haloalkyl, or by an oxo group which may also be present as a hydroxyl group in the tautomeric form, or which forms a bicyclic system together with a fused phenyl ring which is unsubstituted or substituted by halogen, cyano, nitro, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -haloalkyl or with a fused carbocycle or with a fused second heterocycle which is unsubstituted or substituted by halogen, cyano, nitro, C.sub.1 -C.sub.4 -alkyl, di-C.sub.1 -C.sub.4 -alkylamino, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -haloalkoxy or C.sub.1 -C.sub.4 -haloalkyl,
• Y is 0 or NR.sup.9,
• n is zero or 1,
• m is zero, 1 or 2,
• R.sup.7 is C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl or NR.sup.9 R.sup.10
• R.sup.8 is C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -haloalkyl, C.sub.1 -C.sub.4 -alkoxy or NR.sup.9 R.sup.10
• R.sup.9 is hydrogen or C.sub.1 -C.sub.4 -alkyl,
• R.sup.10 is C.sub.1 -C.sub.4 -alkyl
• Q is a pyrazole ring of the formula II ##STR19## where R.sup.1 is C.sub.1 -C.sub.4 -alkyl,
• R.sup.2 is hydrogen, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -haloalkyl and
• R.sup.3 is hydrogen, C.sub.1 -C.sub.4 -alkylsulfonyl, phenylsulfonyl or alkylphenylsulfonyl and
• which is linked in the 4-position,
• or a salt of a compound I which is acceptable in agriculture.