To get a sense of which herbicides can be used before a specific cover crop species and which can’t, Purdue University weed scientist Bryan Young compiled research from the University of Wisconsin, Purdue University, University of Missouri and Penn State University, as well as commercial research conducted by retired University of Illinois Extension agronomist Mike Plumer.

But the good news, says University of Missouri Extension, is that corn is very resilient when it comes to nitrogen management, and there is time to apply nitrogen to stressed corn.

The peer group is comprised of producers ranging from central to southeastern Nebraska. By periodically involving the NRCS, No-till on the Plains Winter Conference, sponsoring field days and other resources, they seek to learn and share.