Herbicidal oil dispersions, characterized in that they comprise (a) 10% to 40% by weight of active ingredients to, comprising one or more biscarbamate herbicides of the formulae and, desmedipham, phenmedipham, ethofumesate, ethofumesate, and lenacil of the formula lenacil, (b) 5% to 70% by weight of one or more surfactants, (c) 10% to 70% by weight of one or more compounds which as far as possible are polar, but at the same time are water-insoluble or have a solubility in water of up to 5 g/l, from the group of fully esterified organic phosphates and fully esterified phosphonates, as solvents, is selected from compounds from the following group: (c1.7) phosphoric triesters with alkoxylated short-chain alcohols having 1 to 22 carbon atoms in the alkyl radical and 1 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, (c1.8) phosphoric triesters with alkyl alcohols having 5 to 22 carbon atoms, and (c1.9) phosphoric triesters based on ortho-phosphoric acid esterified partially with optionally alkoxylated alcohols having 1 to 22 carbon atoms in the alkyl radical or with optionally alkoxylated phenol derivatives, in each case having 0 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, the remaining OH valences of the ortho-phosphoric acid having been subsequently alkoxylated, (d) 0% to 40% by weight of other organic solvents, (e) up to 20% by weight of other, customary formulating auxiliaries, (f) if desired, water, wherein the oil dispersions comprise thickeners in component (e) and the active ingredients (a) in a weight ratio [ and]:: of: (0.1): (0.01) to::. (a) 10% to 40% by weight of active ingredients to, comprising one or more biscarbamate herbicides of the formulae and, desmedipham, phenmedipham, ethofumesate, ethofumesate, and lenacil of the formula lenacil, (b) 5% to 70% by weight of one or more surfactants, (c) 10% to 70% by weight of one or more compounds which as far as possible are polar, but at the same time are water-insoluble or have a solubility in water of up to 5 g/l, from the group of fully esterified organic phosphates and fully esterified phosphonates, as solvents, is selected from compounds from the following group: (c1.7) phosphoric triesters with alkoxylated short-chain alcohols having 1 to 22 carbon atoms in the alkyl radical and 1 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, (c1.8) phosphoric triesters with alkyl alcohols having 5 to 22 carbon atoms, and (c1.9) phosphoric triesters based on ortho-phosphoric acid esterified partially with optionally alkoxylated alcohols having 1 to 22 carbon atoms in the alkyl radical or with optionally alkoxylated phenol derivatives, in each case having 0 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, the remaining OH valences of the ortho-phosphoric acid having been subsequently alkoxylated, (c1.7) phosphoric triesters with alkoxylated short-chain alcohols having 1 to 22 carbon atoms in the alkyl radical and 1 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, (c1.8) phosphoric triesters with alkyl alcohols having 5 to 22 carbon atoms, and (c1.9) phosphoric triesters based on ortho-phosphoric acid esterified partially with optionally alkoxylated alcohols having 1 to 22 carbon atoms in the alkyl radical or with optionally alkoxylated phenol derivatives, in each case having 0 to 30 alkyleneoxy units in the polyalkyleneoxy moiety, the remaining OH valences of the ortho-phosphoric acid having been subsequently alkoxylated, (d) 0% to 40% by weight of other organic solvents, (e) up to 20% by weight of other, customary formulating auxiliaries, (f) if desired, water,