Long-term Conservation Agriculture with Subsurface Nitrogen Placement Enhances Wheat yield, Soil Nitrogen retention, and Nitrogen Use Efficiency in the North-west Indo-Gangetic Plains - Kiranmoy Patra; C. M. Parihar; Ayan Sarkar; K. Srikanth Reddy; D. R. Sena; Rajkumar Dhakar; Sneha Bharadwaj; Alok Sinha; Susnigdha Sengupta; Manojit Chowdhury; Hüdaverdi Gürkan; Hari Sankar Nayak (International Journal of Plant Production, 2026)