The slice seeding technique can be used to renovate a lawn or to add different varieties of grasses to an established lawn. The slit seeding machine first cuts a groove in the turf approximately ½ " deep. A set of discs hold the groove open while grass seed is transferred through a tube and is dropped into the open groove. This method allows the grass seed to be planted in the soil, thus greatly enhancing germination.
We recommend this procedure in conjunction with core aerification