Dispersions comprise: at least one herbicidal active substance comprising hydroxyphenylpyruvate dioxygenase inhibitors (A); at least one oil component (B); at least one surface-active substance (C); a salt comprising diammonium oxalate, diammonium hydrogen phosphate or ammonium dihydrogen phosphate (D); and at least one rheological additive (E). ACTIVITY : Herbicide. No biological data given. MECHANISM OF ACTION : Hydroxyphenylpyruvate dioxygenase inhibitor.