B.L. MANJUNATH, GOPAL R. MAHAJAN, R. RAMESH, and N.P. SINGH. “Effect of Improved Nutrient Management on Grain Yield of Rice (Oryza Sativa) and Soil Health under Organic Management”. Indian Journal of Agronomy 61, no. 1 (October 10, 2001): 25–32. Accessed June 24, 2026. https://pub.isa-india.in/index.php/ija/article/view/4341.