A field experiment was conducted in Tartous Governorate, on the Arachis hypogaea . L during tow growing season (2012- 2013)(2013-2014). Experiment was included 6 treatments with three replicates: control (without fertilization), different rates of Olive Mail Waste Water (OMWW) (5-10-15) l/m2 , organic fertilizer (30 tn/h)and nitrogen fertilizer(30)kg/h. The research aimed to know effect of these Additions on some physiological groups of microorganisms, nodulation on plant roots and nitrogen relative bacteria Arachis hypogaea . L. yield.