biodegradable solid formulation of a crop with delayed release of active ingredients.

Process for the preparation of a solid formulation of a crop with delayed release of active ingredients, wherein melt extrusion with subsequent shaping of a composition containing (a) 0, 1 to 80% by weight of at least initially carried out active fungicide; (B) 0 to 80% by weight of at least one herbicidal active substance, acaricide, insecticide or growth regulator; (C) 3 to 80% by weight of a water-insoluble thermoplastic polymer from the group of polylactides; (D) 5 to 80% by weight of at least one polibutilenadipattereftalato; (E) 10 to 80% by weight of at least one mineral filler; and (f) 0 to 20% by weight of inorganic or organic additives reaching the sum of components (a) to (f) 100%.