Lal, S. S, V. K Dua, and P. M. Govindakrishnan. “NITROGEN REQUIREMENT OF MAIZE IN POTATO + MAIZE INTERCROPPING SYSTEM IN SHIMLA HILLS”. Potato Journal 32, no. 3 - 4 (September 25, 2013). Accessed June 28, 2026. https://epubs.icar.org.in/index.php/PotatoJ/article/view/33402.