Table 2.
Physical and chemical parameters of the sodic soil samples from different alkali vegetation types in June (06) and in September (09). Data represent the mean values ± S.D (n = 3).
| Bare Spot | Puccinellia Sward | Artemisia Alkali Steppe | Achillea Alkali Steppe | |||||
|---|---|---|---|---|---|---|---|---|
| Sample Identifier | AL-06 | AL-09 | AP-06 | AP-09 | AA-06 | AA-09 | AF-06 | AF-09 |
| pHH2O | 10.3 ± 0.1 | 10.3 ± 0.1 | 8.9 ± 0.6 | 9.5 ± 0.2 | 8.3 ± 0.3 | 9.9 ± 0.1 | 7.4 ± 0.2 | 8.0 ± 0.2 |
| EC | 3800 ± 834 | 2147 ± 114 | 1196 ± 220 | 1131 ± 46.5 | 562 ± 202 | 592 ± 28.7 | 325 ± 35.7 | 284 ± 22.9 |
| Salt | 0.55 ± 0.23 | 0.25 ± 0.02 | 0.14 ± 0.03 | 0.13 ± 0.01 | 0.05 ± 0.04 | 0.13 ± 0.02 | <0.02 | <0.02 |
| Corg | 0.4 ± 0.1 | 0.3 ± 0.0 | 1.3 ± 0.3 | 0.6 ± 0.1 | 1.7 ± 0.3 | 1.1 ± 0.2 | 2.6 ± 0.2 | 1.6 ± 0.5 |
| CaCO3 | 22.3 ± 4.1 | 20.9 ± 3.0 | 23.2 ± 0.7 | 22.5 ± 1.0 | 12.5 ± 4.2 | 12.5 ± 0.9 | 15.9 ± 2.9 | 15.6 ± 2.2 |
EC (µS cm−1); Salt, Corg and CaCO3 in %.