Koirala, S., Dhakal, A., Niraula, D., Bartaula, S., Panthi, U. and Mahato, M. 2020. Effects of row spacings and varieties on grain yield and economics of maize. Journal of Agriculture and Natural Resources. 3, 1 (Jan. 2020), 209–218. DOI:https://doi.org/10.3126/janr.v3i1.27174.