This 2015 image shows holes created in a lawn by the tines of a core aerator on Long Island, N.Y. (Justine Damiano via AP)
This 2015 image shows a soil pH test in progress using a home test kit on Long Island, N.Y. (Justine Damiano via AP)
This 2015 image shows a soil plug removed from a lawn by a core aerator on Long Island, N.Y. (Justine Damiano via AP)