Düvelsdorf’s grass harrow has the option of pulling a roller to firmly tuck any new seed into a cosy bed. But this is far from being the only point of machine differentiation, as the GreenRake Expert also boasts a wireless seeder. Our practical test examines what the harrow and roller combination is capable of, as well as seeing how the surface looks following the Düvelsdorf treatment

Although reseeding grassland is a common enough operation there is no fixed way to do the job. Shouldyou go with deep cultivations, or just carry out a shallow tickle? Should the seed be placed in front of or behind the tines? Should you roll or not roll…?