An agricultural implement, including a support part (12), a rotor (36) supported on and rotatable relative to the support part (12), the rotor (36) including one or more blades (36a), a grinding formation (34) supported on the support part (12), and a filter part (32) disposed between the rotor (36) and the grinding formation (34), characterised in that during operation the rotor (36) rotates about its longitudinal axis such that the forward-most blade of the rotor (36) moves upwardly.
