Benzoylamides of the general formula (I) are described as herbicides.In this formula (I), B, X1 and X2 represent N, O or S(O)n.R, Ra, Rb and Rx represent radicals such as hydrogen, halogen, (C1-C6)-alkyl, halo-(C1-C6)-alkyl, (C1-C6)-alkyloxy and cyano.