T. PAUL, P.S. BISHT, P.C. PANDEY, D.K. SINGH, and S. ROY. “Rice Productivity and Soil Fertility As Influenced by Nutrient Management in Rice (Oryza sativa)wheat (Triticum Aestivum) Cropping System”. Indian Journal of Agronomy 58, no. 4 (October 10, 2001): 495–499. Accessed June 25, 2026. https://pub.isa-india.in/index.php/ija/article/view/4256.