Today, the crew at Pruneridge Golf Club aerated each of the nine greens on the golf course. This sometimes frustrating process for golfers is actually a very important preventative measure taken at courses all over the world.
In the short term, this means that the greens at Pruneridge will be bumpy, slow, and quite sandy for about the next week, until the grass heals. Golfers must know however, that this process is essential to the long-term health of the green. I'll refer below to an article on aerification that explains some more of the process.
(From About.com: Golf)
"Aerification achieves three important objectives. It relieves soil compaction, it provides a method to improve the soil mixture around the highest part of a green’s roots and it reduces or prevents the accumulation of excess thatch.
Like so many things, the quality of a good putting green is more than skin deep. In fact, the condition of a green has a lot to do with what goes on below the surface. In order for grass to grow at 3/16-inch, it must have deep, healthy roots. Good roots demand oxygen. In good soil, they get the oxygen from tiny pockets of air trapped between soil and sand particles.
Over time, the traffic from golfers’ feet (as well as mowing equipment) tends to compact the soil under the putting green – particularly when the soil contains a lot of clay. When soil becomes compacted, the air pockets on which the roots depend are crushed, and the roots are essentially left gasping for air. Without oxygen, the grass plants become weaker and will eventually wither and die.
Aerification is a mechanical process that creates more air space in the soil and promotes deeper rooting, thus helping the grass plants stay healthy. In most cases, it’s done by removing ½-inch cores (those plugs you sometimes see near a green or in fairways) from the compacted soil, allowing for an infusion of air and water that brings a resurgence of growth. The spaces are then filled with sand “topdressing” that helps the soil retain air space and makes it easier for roots to grow downward."
http://golf.about.com/od/golfcourses/a/aerification.htm
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