| Cluster | Sample Location | Moisture (%) | pH | EC(μs/cm) | Sand (%) | ||||
| Min | Max | Min | Max | Min | Max | Min | Max | ||
| 1 | Kolonnawa | 49.3 | 60.3 | 3.5 | 4 | 1092 | 2148 | 16 | 22 |
| Thalawatwhugoda | 42.8 | 54.8 | 3.4 | 4.1 | 2099 | 2116 | 6 | 24 | |
| Diyatha | 48 | 52 | 4.5 | 4.7 | 1100 | 1253 | 16 | 18 | |
| 2 | Baddagana | 66 | 77.4 | 2.7 | 3.5 | 2458 | 4150 | 2 | 4 |
| Heen Ela | 70.6 | 88 | 2.9 | 4.3 | 2146 | 3805 | 2 | 6 | |
| Kotte | 74 | 82 | 3.7 | 4 | 3850 | 4256 | 4 | 6 | |
| 3 | Thalangama Paddy | 60 | 62 | 5.5 | 5.9 | 725 | 900 | 4 | 5 |
| Thalawathugoda Paddy | 59.2 | 61.8 | 5.7 | 5.9 | 723 | 855 | 4 | 8 | |