Effect of foliar spray of ammonium nitrate and irrigation time on vegetative growth, fruit set, yield and fruit quality of “Ewais” mango trees

Bulletin of the National Research Centre

Table 2 The chemical properties of the soil during the two years*

Depth, (cm	pH 1:2.5	EC, dS/m	Soluble cations (mg/L)				Soluble anions (mg/L)
			Ca⁺⁺	Mg⁺⁺	Na⁺	K⁺	CO₃⁻	HCO₃⁻	SO₄⁻	Cl⁻
0–15	8.30	0.35	0.50	0.42	1.05	0.23	0.00	0.11	0.82	1.27
15–30	8.20	0.36	0.51	0.43	1.04	0.24	0.00	0.13	0.86	1.23
30–45	8.30	0.34	0.55	0.41	1.05	0.23	0.00	0.12	0.85	1.27
45–60	8.40	0.73	0.57	0.43	1.06	0.25	0.00	0.17	0.86	1.28

^*There were no significant differences between the two years, the data presented the mean of the two years, and the soil samples were taken at the 1st week of October each year before treatments