NARAYAN, DEV, et al. “Influence of Tillage and Sunnhemp Mulching on Runoff, Soil Loss and Sorghum (Sorghum Bicolor) Yield*”. The Indian Journal of Agricultural Sciences, vol. 77, no. 6, Jan. 2011, https://epubs.icar.org.in/index.php/IJAgS/article/view/3422.