Harrow apparatus (1) including a frame (3), a first rotor section (5) including at least one rotor (25) rotatably attached to the frame (3), said rotor (25) being arranged to cut plant residues in a field; and a tine section (7) including a plurality of tines (57,61,67,71), said tines (57,61,67,71) being arranged to till soil in the field and distribute plant residues cut by the at least one rotor (25) in the first rotor section. A method for harrowing also provided.