I am sorry for this delayed reply to your gardening question. The spring rush has brought a deluge of questions and we are working hard to catch up!
I suggest you contact your County Extension Office and see about bringing in or e-mailing a photo of the spots along with perhaps a sample from the turf for them to diagnose the specific cause so they can then recommend an appropriate remedy.
You can find their contact info at the following web site:
Thanks for the question. Best wishes for a wonderful gardening season. Please stop in again soon!
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