Soybean is considered a miracle crop because of its dual qualities, viz., high protein content and oil in seed. In India, the average area under soybean cultivation is 7.71 m ha and the productivity of crop is 1073 kg/ha with total production of 8.27 m t. Even though it is the cheapest high quality vegetable protein, we are yet to exploit its full potential. The excess use of chemical fertilizer spoils the structure of the soil. Therefore, use of chemical fertilizer alone may not keep pace with time in maintenance of soil health for sustaining the crop productivity. Farmyard manure (FYM) and...