Basnet, M., Shakya, S.M., Shrestha, S.M. and Mishra, K. 2018. Effect of nitrogen and off season bulb size on onion seed production. Journal of the Institute of Agriculture and Animal Science. 33, (Aug. 2018), 41–46. DOI:https://doi.org/10.3126/jiaas.v33i0.20681.