Lal, S. S., Dua, V. K., & Govindakrishnan, P. M. (2013). NITROGEN REQUIREMENT OF MAIZE IN POTATO + MAIZE INTERCROPPING SYSTEM IN SHIMLA HILLS. Potato Journal, 32(3 - 4). https://epubs.icar.org.in/index.php/PotatoJ/article/view/33402