Okorie E, E. Obalum S, Singh L. The potential of fermented cottonseed oil-mill effluent as inexpensive biofertilizers and its agronomic evaluation on medium-textured tropical soil. Int. J. Recycl. Org. Waste Agric. 2017 Feb. 27;6(2). Available from: https://oiccpress.com/ijrowa/article/view/3196