There’s a whole new world of lawn care below the surface of your grass. All the foot traffic, fertilizing, mowing and watering going on above could be causing soil compaction and thatch down below. This prevents the grass roots from getting adequate water and nutrients, and thatch also provides a safe place for bugs to hide.
Many lawns, particularly those that receive heavy use, have compacted soil that restricts the movement of air, water and nutrients to the grass’ roots. To correct compacted soil, it is necessary to aerate your lawn from time to time.
Over time, lawns can accumulate thatch — a layer of slowly decomposing grass stems, dead roots, and debris that is above the sod and below grass blades. The name thatch is appropriate — like the thatched roof on a tropical hut, it stops water and fertilizer from reaching the soil and provides a place for insects to hide.