Iron-cemented layers in puting greens

We have written in the past about the problem of iron-cementing around aeration holes and on puting greens. Just recently, Ph.D. student Glen Obear of the University of Nebraska produced a good, 6 minute video, Iron layer formation in sand root zones that is worth watching. In addition to explaining this phenomenon, Obear provides some good guidance on management strategies that can help prevent this problem from occurring.…