Two factorial field experiments on wheat (Var. Msr2) have been carried out during two successive seasons of ( 2015 / 2016 and 2016/2017), at Sakha Agric. Res. Station. The factors comprised organic fertilizer rates (0, 10 and 20 m3 fed-1) and phosphorus fertilizer rates (0, 30 and 45 kg P2O5fed-1) in four replicates. The soils of the experimental locations is a clay loam in texture and have mean values of ECe = 6.1dS.m-1, ESP = 8.4 % and pH = 8.15; which indicated moderate effects with salinity and sodicity. The important results could be summarized as follows: (1) organic manuring ( as compost) with rates of 10(OM10) or 20(OM20) m3 fed-1 led to higher values of wheat grain and straw yields ,as well as grains- protein content relative to the none-manured treatment. (2) Phosphorusfertilizationwithrates of 30 and / or 45 kg P2O5 fed-1 have been resulted in better grain and straw yields beside higher values of wheat grains- protein content as compared to the controltreatment (P0). (3) The interaction treatment of (20 m3 compost x 45 kg P2O5 fed-1) was the best onewhich recorded the maximum values for the previous studied parameterswith increments of[(79.8 %) S1, (78.6 %) S2]N; [(69.2 %) S1,(100 %) S2]P and [(79.9 %) S1, (78.6 %) S2]prot over control treatments (OM0.0 × P0.0) and for the two seasons, respectively. (4) The co-fertilization of organic manure along with P- fertilization enhanced many biochemical reactions which have beenincreased the availability of phosphate ions and subsequent increment in P-relative efficiencies of P-fertilizer, which have been led to higher wheat yields.