[1]
M. SINGH, A. K. TRIPATHI, S. KUNDU, and P. N. TAKKAR, “Nitrogen requirement of soybean (Glycine max) - wheat (Triticum aestivum) cropping system and biological N fixation as influenced by integrated use of fertilizer N and farmyard manure in Typic Haplustert”, Indian J Agri Sci, vol. 69, no. 5, Jan. 2013, Accessed: Oct. 28, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/26762