What is the definition of a fertiliser under the FPR?

According to the FPR, a fertilising product is defined as: „a substance, mixture, micro- organism or any other material, applied or intended to be applied on plants or their rhizosphere or on mushrooms or their mycosphere, or intended to constitute the rhizosphere or mycosphere, either on its own or mixed with another material, for the purpose of providing the plants or mushrooms with nutrient or improving their nutrition efficiency.“ Furthermore, ‘EU fertilising product’ means „a fertilising product which is CE marked when made available on the market.”