PAIKARAY, R.K., MAHAPATRA, B.S. and SHARMA, G.L. (2014) “Effect of organic and inorganic sources of nitrogen on productivity and soil fertility under rice (Oryza sativa) -wheat (Triticum aestivum) crop sequence”, The Indian Journal of Agricultural Sciences, 72(8). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/40970 (Accessed: 25 October 2025).