| Name of the garden | Depth (inch) | Topography | P (mg/kg) | Fe (mg/kg) |
| Kazi & Kazi Tea Estate | 0 - 5 | High flat | 33 | 32 |
| 5 - 10 | 31 | 29 | ||
| 10 - 15 | 35 | 35 | ||
| 15 - 20 | 29 | 36 | ||
| Zareen Tea Estate | 0 - 5 | Medium flat | 21 | 16 |
| 5 - 10 | 17 | 19 | ||
| 10 - 15 | 31 | 24 | ||
| 15 - 20 | 19 | 12 | ||
| Nurjahan Tea Estate | 0 - 5 | High flat | 33 | 38 |
| 5 - 10 | 31 | 27 | ||
| 10 - 15 | 20 | 41 | ||
| 15 - 20 | 17 | 43 | ||
| Malnichara Tea Estate | 0 - 5 | Tillah | 22 | 30 |
| 5 - 10 | 39 | 28 | ||
| 10 - 15 | 25 | 36 | ||
| 15 - 20 | 38 | 25 |