September 2017
This picture did not turn out very clear, but the small brown spots you see in a few of our fairways are actually worm casting debris. Worm activity is more noticeable during the spring and fall as they come to the surface during the evening hours. Then, in the mornings, we see small mounds of debris from where they burrowed their holes. Hose dragging and frequent mowing help to some extent, but if there is too much activity chemical control may be warranted. The debris can actually dull the cut on our reels and bedknives over time. Cultural practices are performed more frequently during the fall as well. Topdressing, aerification, verticutting, and grooming are all beneficial and each practice improves plant health and playability in their own unique way. Here are two pictures of some material that has been brought to the surface of a putting green via verticutting. This practice done consistently helps to keep organic matte...