Corn grown after alfalfa usually has increased yield
Strategies for successful alfalfa termination are available at http://z.umn.edu/rotation.
Nitrogen management guidelines for first- and second-year corn following alfalfa are available at http://z.umn.edu/fertilizingcorn. These guidelines are based on factors such as soil texture, age of alfalfa at termination, and alfalfa termination timing.
More educational resources on corn production are available at Extension’s Corn Production website.