B. S. MANKOTIA and J. SHEKHAR, “Integrated nutrient supply and seed rate for direct seeded rainfed upland rice (Olyza sativa) in mid hills of Himachal Pradesh*”, Indian J Agri Sci, vol. 77, no. 9, Jan. 2011, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/3196