Consider that if you grow corn after wheat or vice versa and have a wet summer or fall, be prepared for possible outbreaks of pink mould/fusarium head blight in either crop in such a rotation.

Practical Research: The fusarium we see in small cereal grains is the anamorph of the pink mould seen in corn
Kevin Elmy’s been experimenting with varieties for corn grazing
Field notes: At a summer plot tour, Southeast Saskatchewan farmer Bobbie Bratrud took a look at some new varieties and crops that could give her farm a competitive edge