Salinity is a major problem affecting vegetable production in Egypt. Thus, the purpose of this investigation was to evaluate the influence of foliar applications of different sources of zinc [(Z₁): Zn-EDTA, (Z₂): ZnSO₄ and (Z₃): without Zn (control)] with both (NH₄)₂ SO₄ and Ca(NO₃ )₂ combined together with one level as 6 mixed ratios of Ca(NO₃ )₂ : (NH₄)₂ SO₄ [N₁100% Ca(NO₃)₂ : 0.0% (NH₄)₂ SO₄, N₂ 75% Ca(NO₃)₂ : 25% (NH₄)₂ SO₄, N₃ 50% Ca(NO₃ )₂ : 50% (NH₄)₂ SO₄, N₄ 25% Ca(NO₃ )₂:75% (NH₄)₂ SO₄, N₅ 0.0% Ca(NO₃ )_{2 :} 100% (NH₄)₂ SO₄ and  N6 control treatment (without nitrogen)] on  some quality parameters  and chemical composition of spinach plants grown on salt-affected soil during the winter season of 2018.  The experiment was designed in a split-plot design with three replicates. As for most determined parameters at both growth stages (30 and 55 days sowing), the findings indicate that the highest values were recorded with N₁ treatment and foliar application of Zn- EDTA (Z₁),while the lowest values were recorded under a combination of N₆ treatment (without N-fertilization) and Z₃ treatment (untreated plants). It can be concluded that; foliar spraying with Zn-EDTA in combination with soil addition of calcium nitrate as a source of N-fertilization is considered the most suitable treatment for overcoming salinity stress in some Egyptian soils and releasing the highest safe yield of spinach plant.