Hasanain, Mohammad. “Comparative Evaluation of Nano and Commercial Urea on Growth, Phenology and Yield of Maize (Zea Mays L.) in Tarai Region of Uttarakhand”. Indian Journal of Agronomy, vol. 69, no. 2, Apr. 2026, https://doi.org/10.59797/ija.v69i2.5443.