P. RAMESH, C. V. RAGHAVAIAH, I. Y. L. N. MURTHY, and A. C. V HARIPRIYA, “Effect of nutrient management practices on the productivity, economics and soil fertility of castor (Ricinus communis) - sorghum (Sorghum bicolor) cropping system in rainfed Alfisols”, Indian J Agri Sci, vol. 83, no. 11, Mar. 2026, doi: 10.56093/ijas.v83i11.34545.