RE: Your thoughts about RYE??
Rye is good for alot of reasons, deer do like it alot in the fall, but the best reason is the extensive root system it puts down by the end of May the following spring - it pulls nutrients up from 2-3 feet down - thus preparing the soil for the next planting. Mow it, and plow it under before planting corn, it makes good green fertilizer when plowed under for a corn crop the next summer. Its cheap, and worry free once planted in the fall.
Rye is easy to plant and offers excellent carbohydrates in the fall, until snow exceeds 6" depth. Depending on the other forage in your area, you may find that you will ALWAYS want a rye plot in the area come fall.
Good luck -