Es werden 5-phenylsubstituierte N-(Tetrazol-5-yl)- und N-(Triazol-5-yl)arylcarbonsäureamide der allgemeinen Formel (I) als Herbizide beschrieben.In dieser Formel (I) stehen W, X, Y, Z und R für Reste wie Wasserstoff, organische Reste wie Alkyl, und andere Reste wie Halogen. A und B stehen für N und CY.Substituted heteroaryl carboxylic acid amide compounds (I) are new. Substituted heteroaryl carboxylic acid amide compounds of formula (I) or their salts are new. A : N or CY1； B1 : N or CH； X : 1-6C alkyl-heterocyclyl (substituted by n number of oxo) or 1-6C alkyl-heteroaryl (both substituted by s number of 1-6C alkyl or 1-6C alkoxy (both optionally halogenated), halo or S(O) n-1-6C alkyl) or 1-6C alkyl, 2-6C alkenyl, 3-6C cycloalkyl or 3-6C cycloalkyl-1-6C alkyl (all optionally halogenated), NO 2, halo, CN, formyl, thiocyanato, 2-6C alkynyl, halo-3-6C alkynyl, COR1, COOR1, OCOOR1, NR1COOR1, C(O)N(R1) 2, NR1C(O)N(R1) 2, OC(O)N(R1) 2, C(O)NR1OR1, OR1, OCOR1, OSO 2R2, S(O) nR2, SO 2OR1, SO 2N(R1) 2, NR1SO 2R2, NR1COR1, 1-6C alkyl-S(O) nR2, 1-6C alkyl-OR1, 1-6C alkyl-OCOR1, 1-6C alkyl-OSO 2R2, 1-6C alkyl-CO 2R1, 1-6C alkyl-SO 2OR1, 1-6C alkyl-CON(R1) 2, 1-6C alkyl-SO 2N(R1) 2, 1-6C alkyl-NR1COR1, 1-6C alkyl-NR1SO 2R2, NR1R2, P(O)(OR5) 2or CH 2P(O)(OR5) 2； Y1 : 1-6C alkyl-heterocyclyl or heterocyclyl (both substituted by n number of oxo), 1-6C alkyl-phenyl, 1-6C alkyl-heteroaryl, phenyl or heteroaryl (all substituted by s number of 1-6C alkyl or 1-6C alkoxy (both optionally halogenated), halo, NO 2, CN, 3-6C cycloalkyl, S(O) n-1-6C alkyl, 1-6C alkoxy-1-4C alkyl or cyanomethyl) or 1-6C alkyl, 2-6C alkenyl, 2-6C alkynyl, 3-6C cycloalkyl or 3-6C cycloalkyl-1-6C alkyl (all optionally halogenated), H, NO 2, halo, CN, thiocyanato, 3-6C cycloalkenyl, COR1, COOR1, OCOOR1, NR1COOR1, C(O)N(R1) 2, NR1C(O)N(R1) 2, OC(O)N(R1) 2, CO(NOR1)R1, NR1SO 2R2, NR1COR1, OR1, OSO 2R2, S(O) nR2, SO 2OR1, SO 2N(R1) 2, 1-6C alkyl-S(O) nR2, 1-6C alkyl-OR1, 1-6C alkyl-OCOR1, 1-6C alkyl-OSO 2R2, 1-6C
