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What Is the Difference Between a Seeder & Spreader?

If you decide to fertilize your lawn in the spring, using a spreader ensures that you distribute the correct amount of granule fertilizer on your lawn. If your lawn has bare areas, use a slit seeder to ensure even distribution of grass seeds.
  1. Types

    • Manufacturers design handheld broadcast spreaders and broadcast spreaders that require walk-behind propulsion. Drop spreaders also require you to push them from behind. A slit seeder contains narrow tines that make grooves in your lawn as you propel it forward.

    Function

    • Handheld broadcast spreaders drop fertilizer in all directions when you turn a handle. Broadcast spreaders distribute fertilizer in a circular radius as you push them. Drop spreaders distribute a continuous line of fertilizer as you push them. Slit seeders drop seeds in the grooves and then pass over the seed with a metal roller that presses it firmly into the soil.

    Considerations

    • When using a drop or broadcast spreader, the University of California recommends overlapping your path to prevent stripes on your grass and uneven distribution. When using a slit seeder, the University of Illinois Extension recommends that every second pass remains perpendicular to your first seed distribution path.