The biologically decomposable material contains at least one water-soluble salt in a biologically decomposable carrier polymer in an amount to ensure that, under weather effects in open air, decomposition takes place within a specifiable time. - Independent claims are also included for: - (A) a compound comprising a biologically decomposable material and at least one further polymer, preferably chosen from a group including polyethylene, polyester and polypropylene; - (B) a product or a semi-finished article made of the proposed biologically decomposable material or the claimed compound.
