ELKASHIF, Mohamed E; 						SULIMAN, Suhair A; 						ELAMIN, Osman M..
 Effects of nitrogen source and effective micro-organisms on vegetative growth of shrubs of selected grapefruit  (Citrus paradisi Macf) cultivars.
<strong>Gezira Journal of Agricultural Science</strong>, [S.l.], v. 14, n. 1, jan. 2016.
ISSN 1728-9556. Available at: &lt;<a href="http://37.60.236.48/index.php/gjas/article/view/903" target="_new">http://37.60.236.48/index.php/gjas/article/view/903</a>&gt;. Date accessed: 03 june 2026.