One of the first issues to address is your market. In order to sell your crop as certified organic, you must be certified by one of the certifying agencies listed on the Organic Information Fact Sheet.
Soybeans add nitrogen to the soil and can be grown without fertilizer in their first year.
Land Preparation CRP land must be adequately prepared for organic soybean production. Grasses in the CRP land must be DEAD before planting beans. If planting is not feasible past October, you should still plow to help break up the soil and kill the grasses. It may take 2 to 4 tillage operations to break up the soil and kill the grasses before planting. Planting and Weed Management Field cultivators will kill most rye cover crops at the 6 to 8 inch stage, with scratchers dragging behind to bring residue to the surface.