Northern Corn Leaf Blight
There was considerable corn acreage hit by northern corn leaf blight last year, demonstrating that corn growers would do well to keep an eye out for it. Steve Turaj has established several 'sentinel plots and been doing his share of scouting, and while he reports that there haven't been any outbreaks yet, he note that this is the time of year that they start showing up, especially if we get an extended spell of wet weather. This link from Iowa State Extension will help you in identifying any symptoms that you see.
New Scouting Guide
We've put together a pocket guide to help you with scouting corn in the upcoming growing season. Find out more here!