It is ilegal to hunt over bait(corn) in Tennessee, so don't go that route.
Can you move off the field? Sounds like the deer have you figured out. Move a stand into the woods or a thicket if you have them, the deer won't come into the field if there is nothing to eat. Hunt the cover they hide in.
This south wind we have had most of the season may have something to do with it to. You have to be sure they are not smelling you as they approach the field.
If your to busy to go hunting, your just to busy.