CHANDRA S, GHOSH BN, SINGH P, SINGH RD. Effect of varying fertilization on yield of rice (Oryza sativa)-wheat (Triticum, aestivum) system and soil fertility status. Indian J Agri Sci. 2014;71(10). Accessed October 23, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/40256