| Soil | Bacterial strain | Acetylene reduction activity (nmol C2H4/h/mg protein) | NaCl tolerancea (%) |
| Tex-Low | Tex01-S4 | 1960 ± 56 | 2 |
|
| Tex01-S5 | 4358 ± 143 | 10 |
|
| Tex02-S2 | 429 ± 78 | 2 |
|
| Tex02-S3 | 484 ± 46 | 3 |
|
| Tex02-S3c | 97 ± 4 | 3 |
|
| Tex02-S4 | 1722 ± 76 | 3 |
|
| Tex02-S5 | 2811 ± 190 | 3 |
|
| Tex02-P4 | 1835 ± 24 | 3 |
|
| Tex03-P3 | 124 ± 7 | 3 |
| Tex-Med | Md01-S1 | 2982 ± 699 | 7 |
|
| Md01-S5 | 574 ± 44 | 4 |
|
| Md02-S1 | 435 ± 36 | 2 |
|
| Md02-S3 | 399 ± 29 | 2 |
| Tex-High | Hgh02-P4 | 638 ± 75 | 3 |
|
| Hgh02-S1 | 234 ± 53 | 10 |
|
| Hgh02-S2 | 324 ± 78 | 10 |
|
| Hgh02-S4 | 175 ± 12 | 4 |
|
| Hgh03-P2 | 184 ± 56 | 3 |