Topdressing is the process of applying a light layer of sand over the surface of the turf. The sand we use for this is similar to the material that was used to construct the green, and is stored in the green tank that is visible from the 10th tee. The tank is utilized to keep the sand dry which makes the sand easier to spread. After the sand is spread, we then proceed to brush the sand into the green.
There are several reasons for topdressing, our two main reasons:
Smooth the putting surface - As the putting surface is used, it begins to show signs of slight wear from many different sources, including spike marks and ball marks. This slight wear begins to create imperfections on the surface of the green. Applying a light layer of sand to the greens on a regular basis levels and smoothes these areas.
Assists with organic matter decomposition - Turfgrass forms a layer of organic material just between the grass blades and the soil. This organic matter layer is called thatch. Management of this layer is important for maintaining a surface for putting. Topdressing helps with the management of this layer. As the sand is continuously applied, it is worked into this layer and aids in the decomposition of thatch and allows the surface to remain firm.
These two benefits are the goals of the topdressing program on our greens. There are other reasons for topdressing programs, one is to modify the soil structure. Modifying the soil structure is not one of our goals on the greens due to the new construction. However, modifying the soil structure is one of our goals for the fairway topdressing program. Check back for more information on our fairway topdressing program coming soon!
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