Aerifacation

To be considered an Elite Golf Course, the course needs to have fast greens and firm fairways.  To be able to have the right combination of firm and fast your grass roots need to be healthy and strong due to the low cut length.  The greens are being cut 7 days a week at less than a quarter of an inch.  When aerifying a machine punctures the green and then you back fill with sand.
Here is a picture of the machinery used to do this procedure.
It is given to us by a Turf Grass Website AER-Core.