Key Points Slit-seeding is an overseeding method that uses a machine to cut grooves and simultaneously add grass seed to a lawn.Slit-seeding prevents birds or pests from removing the seeds, or wind or ...

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Grass lawns occasionally must be overseeded to strengthen root systems and crowd out weeds. Slit-seeding is an effective method of aerating and overseeding a lawn. But it isn't for every lawn and can ...