TABLE 1.
Data on sampling sites and number of bacterial isolates from the tomato root environment.
| Farm 1 | Farm 2 | Farm 3 | Farm 4 | |
| Position | ||||
| Locality | Ispica (RG, Italy) | Ispica (RG, Italy) | Ragusa (Italy) | Vittoria (RG, Italy) |
| Geographic coordinates | 36°42′35.62″ N 14°57′36.13″ E | 36°42′59.08″ N 14°58′59.98″ E | 36°51′3.24″ N 14°27′41.40″ E | 36°56′40.49″ N 14°23′42.37″ E |
| Soil properties | ||||
| Soil texture | Sandy clay calcareous loamy | Sandy calcareous | Sandy calcareous | Sandy calcareous loamy |
| Organic matter (%) | 1.93 | 2.1 | 1.07 | 2.5 |
| Ph | 7.57 | 7.72 | 7.71 | 7.7 |
| Electrical conductivity (mmhos cm–1) | 2.85 | 8.45 | 2.13 | 3.52 |
| P (mg kg–1) | 102 | 655 | 135 | 155 |
| Zn (mg kg–1) | 1.9 | 11.6 | 6.9 | 5.9 |
| Mn (mg kg–1) | 22.8 | 32.4 | 14.4 | 13.2 |
| Cu (mg kg–1) | 6.1 | 13.2 | 4.8 | 14.4 |
| Fe (mg kg–1) | 12.2 | 49.2 | 15.6 | 4.6 |
| K (mg kg–1) | 391 | 507 | 96 | 747 |
| Mg (mg kg–1) | 254 | 327 | 203 | 529 |
| Na (mg kg–1) | 158 | 340 | 156 | 290 |
| Ca (mg kg–1) | 221 | 925 | 202 | 290 |
| Tomato genotype | ||||
| Typology | Cherry | Mini plum | Cherry | Mini plum |
| Genotype | Casarino F1 | Dulcemiel F1 | Creativo F1 | Miele F1 |
| Number of isolates | 70 | 132 | 85 | 136 |