So I mentioned elsewhere that my dad put up an electric fence to protect his ornamental corn from the raccoons, who ate it last year. The following is photographic evidence:
Corn
Dad's corn. The little yellow things holding up a wire? That's the electric fence protecting said corn.
I'm not quite sure if I'd exactly *recommend* this system for those who've had their corn munched, but it does seem to have kept the corn uneaten thus far.