Physical characteristics

of soils

Seidlitzia rosmarinus-Zygophyllum hamiense

Seidlitzia rosmarinus-Traganum nudatum

Prosopis farcta-Traganum nudatum

Pulicaria undulate-Calligonum comosum

Phosphorus (mg/kg)

8.99 ± 0.65^a

10.04 ± 2.86^b

7.01 ± 0.23^c

6.59 ± 1.02^d

Nitrogen (mg/kg)

3.92 ± 2.09^a

5.89 ± 2.08^b

14.01 ± 5.05^c

8.95 ± 0.22^d

Ca²⁺ (meq/L)

16.23 ± 3.19^a

8.85 ± 1.75^b

7.45 ± 2.94^c

20.41 ± 4.16^d

Mg²⁺ (meq/L)

6.78 ± 5.19^a

4.23 ± 1.15^b

4.15 ± 1.32^c

2.54 ± 1.03^d

Na⁺ (meq/L)

55.23 ± 4.02^a

24.12 ± 9.29^b

5.48 ± 1.46^c

5.35 ± 1.99^d

K⁺ (meq/L)

6.01 ± 2.85^a

2.15 ± 1.46^b

2.14 ± 1.29^c

2.49 ± 1.27^d

${\text{HCO}}_{\text{3}}^{-}$ (meq/L)

13.43 ± 4.09^a

8.93 ± 6.91^b

4.83 ± 2.07^c

3.33 ± 0.71^d

Cl⁻ (meq/L)

10.18 ± 4.24^a

4.21 ± 2.11^b

2.94 ± 1.52^c

3.98 ± 0.64^d

${\text{SO}}_{\text{4}}^{2-}$ (meq/L)

41.56 ± 3.72^a

15.23 ± 4.22^b

16.72 ± 3.59^c

13.17 ± 5.16^d