SINGH, Y.P. (2013) “Effect of time of pre-irrigation and tillage practices on wheat (Triticum aestivum) under pigeonpea (Cajanus cajan) - wheat cropping sequence”, The Indian Journal of Agricultural Sciences, 83(12). Available at: https://epubs.icar.org.in/index.php/IJAgS/article/view/35952 (Accessed: 26 October 2025).