Today Alex and his crew are in the process of core-aerifying and top-dressing our greens. We have done a deep-tine aerification each year, but it has been a few years since we did a core aerification. What's the difference, you ask? Deep tine aerification involves driving knife-like tines into the green, kind of like punching it with a series of screwdriver blades. Core aerification uses tines that are hollow tubes and pull small cores from the green and drop them on the surface, where they are removed. In both processes the resulting opening is then top-dressed with sand.
After the green has been cored, crew members are using blowers to blow the cores off the surface and get it ready for top dressing. They will then use our normal topdressing procedures. Here's a link to our topdressing page:
Why do we core aerify? Core aerifying opens up the green to allow air to the root system. It also assists in reducing soil compaction, which also helps the root system by allowing an easier path for moisture,air, and nutrients to reach the roots. The picture below shows the depth of the cores that we are pulling today, about 3" to 4".
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