All four harrow types can be used in one pass to prepare soil for seeding. Using any combination of two harrows for various tilling processes is also common. Where harrowing provides a very fine tilth or the soil is very light so that it might easily be wind-blown, a roller is often added as the last of the set.
All four harrow types can be used in one pass to prepare soil for seeding. Using any combination, of two harrows for various tilling processes is also common. Where harrowing provides a very fine tilth or the soil is very light so that it might! easily be wind-blown, a roller is often added as the last of :the set.