Fuente: WIPO "apiculture" The invention relates to a biodegradable coating formulation for a fertilizer, said biodegradable coating formulation comprising an aqueous phase and an oil phase, the oil phase being dispersed in the aqueous phase and comprising a reclaimed material from a waste and/or side stream of a biologically based process, wherein micronutrient particles are suspended in the biodegradable coating formulation such as to form a suspo-emulsion. In further aspects, the invention preferably relates to a method of manufacturing the biodegradable coating formulation, a method of coating a granulate solid fertilizer with the biodegradable coating formulation and a coated granulate solid fertilizer.