Aeration

"- c. Aeration Holes
When a course has been aerated, a Local Rule permitting relief, without penalty, from an aeration hole may be warranted. The following Local Rule is recommended: ...

Aeration - To get better air circulation into the soil underneath the turf of a golf course. This is necessary for the health of the microbes that live in the topsoil.

aerate ("aeration, aerify, aerification, punch") a machine is used to punch small diameter holes in ground that has been compacted over time to loosen soil and allow oxygen and nutrients to get to the roots of the grass (usually thought of with ...

Aeration---golf courses aerate the greens once or twice a year. Holes are dug to remove some dirt to loosen the soil and allow room for the roots and create more oxygen for the roots.

This Old House; How to De-Thatch a Lawn; Roger Cook
The Landscape Design Site: Grass And Lawn Thatch
Anderson's Seed and Garden, Inc.: Lawn Care: Weeds, Thatch and Aeration
Photo Credit Jupiterimages/Comstock/Getty Images ...

See also: Golf, Putting, Putting green, Rule, Rules of Golf