Liquid aqueous formulations of water-soluble active crop protectant ingredients which comprise (a) one or more water-soluble active crop protectant ingredients (type (a) ingredients), (b) one or more water-dispersed active crop protectant ingredients (type (b) ingredients), (c) one or more surfactants from the class of the polyacrylic acid derivatives, (d) one or more aluminum silicates as stabilizer(s), (e) if desired, further anionic or nonionic, cationic and/or zwitterionic surfactants, (f) if desired, other customary formulation assistants, and (g) water are suitable as stable coformulations for use in crop protection.