Rob; you' re kind of comparing apples with oranges. Some of these crops are carbohydrate sources while others supply protein and oil. They should all grow in anything other than sharp sand. With the snow that I' ve skiied on in Vermont I' d stick with your present plans and keep some corn standing over winter. It' ll be interesting to see how farm hunter fairs with his sunflowers as a winter standing crop.

The only question would be the turkeys. They' re supposed to have troubles when the snow depth is greater than 12-14" . If you' re in an area with that little snow the sunflowers and soyabeans may prove to be a good energy source.

Dan O.