U. N. VERMA, S. K. PAL, M. K. SINGH, R. THAKUR, and R. R. UPASANI, “Nutrient utilization of late sown wheat (Triticum aestivum) on acid soil (Haplustaif) of Bihar plateau”, Indian J Agri Sci, vol. 70, no. 2, Mar. 2013, Accessed: Oct. 26, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/27929