Ahmed Alamin, Hassan Abdelmotalib, 		Elkashif, Mohamed, AND 		Ali, Mohamed.
" Effects of sowing date on vegetative growth, yield and storability of two onion (Allium cepa L.) cultivars in the      River Nile State, Sudan" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 15 Number 2 (1 December 2017)