I do not know where you are located, but here is the per acre mix I will be putting out this fall. Keep in mind that I am in central GA, so temps are higher and last longer, so my planting will be mid October. As David H recommended, I will most likely add a couple #'s of turnips and/or daikon radish since this used to be a horse pasture.
75# Wrens Abruzzi Rye
10# Durana
5# Medium Red
5# Chicory