Here's a great article I'd like to pass along from the University of Nebraska-Lincoln on late summer Kentucky Bluegrass yellowing. Dr. Zac Reicher, Professor of Turfgrass Science, notes that this yellowing is many times associated with iron chlorosis, however, there are several other possible contributing factors.
Click here to view the article.
About Dr. Raymond Snyder
Dr. Raymond Snyder is the Director of Agronomy at Harrell’s, LLC where he has worked since 2003. Dr. Snyder is a graduate of the University of Florida where he received his Ph.D. in Soil Science specializing in Soil Fertility and Fertilizers. He is responsible for investigating new product opportunities, proprietary product development, and providing technical sales support.