Regmi, B., Ojha, B., Sharma, G.P., Khanal, B.R. and Thapa, D.B. 2024. Effect of nitrogen levels on growth and yield of popcorn maize (Zea mays var. everta) in Mid Hills, Parbat District, Nepal. Archives of Agriculture and Environmental Science. 9, 3 (Sep. 2024), 459-465. DOI:https://doi.org/10.26832/24566632.2024.090308.