Hersi, A. K. M., & Ali, . A. M. . (2022). Growth, Yield and Bulb Quality as Affected by Nitrogen Fertilization and Intra-row Spacing of Two Onion (Allium cepa L.) Cultivars. University of Khartoum Journal of Agricultural Sciences, 26. https://doi.org/10.53332/uofkjas.v26i.758