MANOJ KUMAR, S.P. TREHAN, M.K. JATAV, and S.S. LAL. “Efficacy of Potato (Solanum Tuberosum) Cultivars under Varying Levels of Nitro- Gen and Growth Duration in Eastern Indo-Gangetic Plains”. Indian Journal of Agronomy 54, no. 1 (October 10, 2001): 63–68. Accessed July 15, 2026. https://pub.isa-india.in/index.php/ija/article/view/4768.