Are you thinking of planting Turnip second?
The deer prefer soybean spring to mid/late summer, when they want the high protein. Turnips are only good after the first frost. For some reason, after the first frost the starch in the Turnip turns into sugar and then the deer hit it. After it has been frosted several times the Turnip tuber starts to rot and becomes like super candy for them. That is when they dig up the ground to eat the tuber, even the leaves are eaten only after the first frost which works out good for hunting season.
The soybean is for the first half of growing season to help with bigger, healthier deer. The Turnips only help as a hunting season attractant.
Sorry if I didn't understand the order in which you are going to plant (had a few beer), but I hope this helps with your future plans.