Hello Timeout, Southern Sawyer county landowner here. I have been doing food plots for the deer for 30 some years now, and have made enough mistakes and adjustments to finally settle on a plan that has been doing well for the last 10 years or so.
The plot I cultivate each year is exactly 1/2 acre. I rotate half of this with Daikon Radish and Rutabaga. In the pic the radish is to the top and rutabaga to the bottom.
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I am planting the rutabaga before the radish, usually mid June. I try to get the radish in before the 4th of July. I fertilize at planting and again after the plants are several inches high.
When I take the fence down the deer spend the most time on the radish tops. Later in the fall they will eat off some of the radish that is sticking out, but for the most part, it seems to be an acquired taste on the part of some deer. Most deer don't seem to care for the radish part. I don't have a problem with that at all, as they are leaving the rutabaga alone to continue to grow. Most of the radishes rot and will not be eaten, however, the deer will eat any of the remaining "top" and stems after they freeze.
If I had to pick one thing to plant for the deer, it would be rutabaga. They like the tops and readily develop a taste for the tuber. After freezing they are in daily to chew off the tops of tubers, and will dig all winter for them. In the spring, as the ground is thawing, the deer will hammer what is left in the ground. They will spend hours pulling up what is left as it thaws out, giving them a good boost of energy when they need it the most.
I use Deer Creek seed as it is locally available and distributed by Wisconsin folks. There are a few turnip seeds that get in the rutabaga, and grow well, and the deer don't seem to know the difference so that is the larger tubers you see in the following pick.
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And it wouldn't be complete without the input of some of the "Fat Girls". On the left is Long Limbs Lenore, next is Beggar, Sleepy and Watch Deer. I can't afford a watch dog.
Unfortunately, this might be the last time you or I see them, as the wolves moved in last week. I have seen wolves in the field three time in one week.
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By the way, the fall has been pretty warm and the deer have been eating green grass the whole time. They have not been as interested in the food plot as other years. Don't know what it is like by you, but an observation nonetheless.
Jim