The long hot summers in the Midwest usually creates extremely dry and compacted soil. If you want to be successful and grow a healthy, lush lawn you may need to think differently about your soil.
Organisms in the soil have the same needs we do: to drink, breathe, eat, digest and excrete. When the soil is healthy, fed with natural materials and not compacted, those natural processes allow fertilization and growth to happen the way mother nature intended. Core aeration will open up an airway allowing water, fertilizer, and seed to reach grass root zones. During the aerating process, the machine will reach depths of 2-3″.
The core plugs will naturally breakdown and fill back into the ground in about 1-2 weeks. Aerating your lawn every year is highly recommended when seeking a lush and healthy lawn.