U. KHAN, B. MISHRA, P. PACHAURI, and Y. KUMAR, “Effect of integrated nitrogen management on yield and nitrogen nutrition of irrigated. rice (Oryza sativa)”, Indian J Agri Sci, vol. 76, no. 3, Jan. 2011, Accessed: Jul. 24, 2026. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/2647