Whether your lawn is healthy or struggling, you can help it thrive with a little summer maintenance. Aerate, dethatch and fertilize your lawn each year to ensure its optimal health. Aerating helps bring air to the soil and reduces soil compaction. According to the Colorado State University Cooperative Extension Website, soil compaction results from home construction, foot traffic, and sprinkler irrigation or rain. It restricts the movement of air and water through the soil, l