Herbicidal oil dispersion (I) comprises: one or more biscarbamate-herbicides (a) comprising desmedipham (a1) and phenmedipham (a2), one or more herbicides of type benzofuransulfonate, preferably ethofumesate (a3), and lenacil (a4)； one or more surfactants (b)； one or more compounds (c) of completely esterified organic phosphates and phosphonates as a solvent, where the compounds are optionally polar or water-insoluble, or water soluble up to 5 g/l in water； optionally other organic solvents (d)； optionally another formulation auxiliary agents (e)； and optionally water (f). An independent claim is included for a method of combating undesirable plant growth, comprising applying (I) optionally after dilution with water, on plants, plant parts or acreage. ACTIVITY : Herbicide. MECHANISM OF ACTION : None given.
