Aerators work by using hollow tines to extract small cores or 'plugs' from the grass as the machine rolls across the lawn. The holes in the grass help to aerate the soil allowing more air ...

Learn More › A: Punching holes into the soil with a lawn aerator, a tool that has either solid spikes or hollow tines, ...

A dry soil will inhibit the penetration of the hollow tines into the soil. Maximum benefit of core aeration is seen if the process is done on a yearly basis. The holes that are made in the soil ...