@book{56692,
	author = {El-boray, M. S. S. and Mostafa, M. F. M.},
	title = {Effect of fulvic acid, some micro-elements and micro-organisms on yield and its components, content fruits of macro-and micro- elements content of Zaghloul date palm},
	url = {http://nile.enal.sci.eg/EALE/2012/MUJPP/312/8/2277.pdf}
}