Table 3 A descriptive statistical summary of soil analysis data of 20 samples from the surveyed stands.

From: Floristic assessment and soil-vegetation dynamics in an arid zone: a case study of the old Katameya-Ain Sokhna Road, Eastern Desert, Egypt

Soil parameter

Range (minimum–maximum)

Mean ± standard deviation

Median

Sand (%)

93.65 (4.5-98.15)

71.311 ± 32.874

91.65

Clay (%)

42.167 (1.156–43.323)

11.777 ± 11.741

5.719

Silt (%)

67.203 (0.288–67.491)

16.913 ± 22.46

4.694

Soil saturation percentage

35 (20–55)

35.35 ± 10.122

30

pH

1.37 (7.23–8.6)

8.067 ± 0.458

8.155

Electrical conductivity (dS/m)

130.487 (0.713–131.2)

10.787 ± 28.489

3.818

Calcium (m eq/L)

330.357 (2.976-333.333)

43.006 ± 71.131

23.81

Magnesium (m eq/L)

239.835 (3.755–243.59)

22.451 ± 52.357

9.455

Sodium (m eq/L)

851.353 (0.82-852.174)

49.917 ± 188.958

5.652

Potassium (m eq/L)

25.005 (0.253–25.258)

2.35 ± 5.526

0.866

Bicarbonates (m eq/L)

31.132 (1.887–33.019)

5.519 ± 6.853

3.538

Chlorides (m eq/L)

1098.305 (3.39-1101.695)

80.297 ± 241.509

18.644

Sulfates (m eq/L)

317.585 (2.056-319.641)

31.908 ± 68.219

18.964

Sodium absorption ratio

49.727 (0.447–50.175)

4.017 ± 10.907

1.406

Total dissolved salts (ppm)

83511.68 (456.32–83968)

6903.936 ± 18232.656

2443.52

Organic matter (%)

1.24 (0.07–1.31)

0.447 ± 0.283

0.42