RAMESH, P, et al. “Effect of Nutrient Management Practices on the Productivity, Economics and Soil Fertility of Castor (Ricinus Communis) - Sorghum (Sorghum Bicolor) Cropping System in Rainfed Alfisols”. The Indian Journal of Agricultural Sciences, vol. 83, no. 11, Mar. 2026, https://doi.org/10.56093/ijas.v83i11.34545.