Table 1 Physical, chemical and hydrological characteristics of the soil in the experimental site used in this study

Particle–size analysis

Total sand (2 > ∅ > 0.02 mm)

63%

Silt (0.02 > ∅ > 0.002 mm)

18%

Clay (∅ < 0.002 mm)

19%

Organic matter

0.89%

Chemical properties

 Total nitrogen

0.75%

 Available phosphorus

18.4 ppm

 Exchangeable potassium

400 ppm

pH

7.75

Electrical conductivity

2.57 dS m⁻¹

Physical properties

 Field capacity (by weight)

20.6%

 Wilting point (by weight)

10.2%