Oil suspension concentrates comprising diflufenican and salts of certain polyvalent captions The present invention relates to formulations in the form of oil suspension concentrates and comprising a) diflufenican, b) one or more solvents from the group consisting of hydrocarbons and vegetable oils, c) one or more nonsurfactant salts of polyvalent cations, the solubility product of these salts in water being higher than that of calcium sulfate, d) one or more surfactants, and e) one or more thickeners. The oil suspension concentrates are suitable in the field of plant protection.