1. A composition of herbicides and protective agents containing (A) one or more compounds of formula (I) or their salts, in which the symbols and indices have the following meanings: A means N or CY, B means N or CH, X means nitro , halogen, cyano, formyl, rodento, (C-C) -alkyl, halogen- (С-С) -alkyl, (С-С) alkenyl, halogen- (С-С) alkenyl, (С-С) -alkynyl, halogen- (С-С) -alkynyl, (С-С) -Cycloalkyl, halogen- (С-С) -cycloalkyl, (С-С) -cycloalkyl- (С-С) -alkyl, halogen- ( C-C) -cycloalkyl- (C-C) -alkyl, COR, COOR, OCOOR, NRCOOR, C (O) N (R), NRC (O) N (R), OC (O) N (R), C (O) NROR, OR, OCOR, OSOR, S (O) R, SOOR, SON (R), NRSOR, NRCOR, (C-C) -alkyl-S (O) R, (C-C) -alkyl -OR, (C -C) -alkyl-OCOR, (C-C) -alkyl-OSOR, (C-C) -alkyl-COR, (C-C) -alkyl-SOOR, (C-C) -alkyl-CON (R) , (CC) -alkyl-SON (R) 2, (C-C) -alkyl-NRCOR, (C-C) -alkyl-NRSOR, NRR, P (O) (OR), CHP (O) (OR) , (C-C) -alkyl-heteroaryl, (C-C) -alkyl-heterocyclyl, both of the last mentioned residues being respectively substituted with s residues from the group consisting of halogen, (C-C) -alkyl, halogen- (C-C ) -alkyl, S (O) - (С-С) -alkyl, (С-С) -alkoxy and halogen- (С-С) -alkoxy, and, moreover, heterocyclyl contains n hydroxy groups, Y means hydrogen, nitro, halogen, cyano, rhodano, (C-C) -alkyl, halogen- (C-C) -alkyl, (C-C) -alkenyl, halogen- (C-C) -alkenyl, (C-C) -alkynyl, halogen- (C-C) -alkine l, (С-С) -cycloalkyl, (С-С) -cycloalkenyl, halogen- (С-С) -cycloalkyl, (С-С) -cycloalkyl- (С-С) -alkyl, halogen- (С-С ) -cycloalkyl- (C-C) -alkyl, COR, COOR, OCOOR, NRCOOR, C (O) N (R), NRC (O) N (R), OC (O) N (R), CO (NOR ) R, NRSOR, NRCOR, OR, OSOR, S (O) R, SOOR, SON (R) (С-С) -alkyl-S (O) R, (С-С) -alkyl-OR, (С- C) -alkyl-OCOR, (C-C) -alkyl-OSOR, (C-C) -alkyl-COR, (C-C) -alkyl-CN, (C-C) -alkyl-SOOR, (C- C) -alkyl-CON (R), (CC) -alkyl-SON (R), (C-C) -alkyl-NRCOR, (C-C) -alkyl-NRSOR, N (R), P (O) (OR), CHP (O) (OR), (C-C) -alkyl-phenyl, (C-C) -alkyl-heteroaryl, (C-C) -alkyl-heterocyclyl, phenyl, heteroaryl or heterocycl
