Ewida, Sheikh Edin, 		Elkashif, Mohamed, AND 		Elamin, Osman.
" Effects of irrigation , type of fertilizer and nitrogen rate on yield components and total yield of mango (Mangifera indica L.) in Abu Karshoula, South Kordofan State, Sudan" <em>Gezira Journal of Agricultural Science</em> [Online], Volume 11 Number 1 (1 January 2013)