Paul, T. (2014) “Rice productivity and nutrient-use efficiency as influenced by nutrient management in long-term rice (Oryza sativa)-wheat (Triticum aestivum) system”, Annals of Agricultural Research, 35(2). Available at: https://epubs.icar.org.in/index.php/AAR/article/view/42189 (Accessed: 24 October 2025).