| Sampling stations | Fe-Al P (mg/kg) | CaP (mg/kg) | TP (mg/kg) | OP (mg/kg) | IP (mg/kg) | OC (%) | pH | TA (mg/kg) |
| KV-1 | 11.20 | ND | 19000.0 | 1000.0 | ND | 0.60 | 7.56 | 190.51 |
| KV-2 | 54.60 | 0.50 | 10000.0 | 1200.0 | 6.0 | 5.49 | 8.16 | 730.30 |
| KV-6 | 25.20 | 0.30 | 9000.0 | 2000.0 | 6.0 | 8.08 | 8.24 | 825.55 |
| KV-9 | 5.60 | ND | 16200.0 | 1800.0 | 8.0 | 2.20 | 7.96 | 539.78 |
| KV-11 | 11.20 | 0.80 | 9500.0 | 1600.0 | 2.0 | 1.50 | 7.82 | 285.77 |
| KV-12 | 2.10 | 0.50 | 15000.0 | 1200.0 | 10.0 | 2.29 | 7.68 | 254.0 |
| KV-13 | 4.20 | 1.30 | 5000.0 | 800.0 | 6.0 | 3.39 | 7.34 | 158.76 |
| KVVP-1 | 15.40 | 0.20 | 12500.0 | 2800.0 | 8.0 | 4.89 | 7.76 | 412.78 |
| KVE-1 | 2.80 | ND | 3500.0 | 1600.0 | 2.0 | 5.69 | 3.01 | ND |
| KVPB-2 | 2.80 | 1.10 | 4500.0 | 1000.0 | 8.0 | 0.50 | 7.71 | 254.0 |
| Average | 13.51 | 0.47 | 10420.0 | 1500.0 | 5.60 | 3.46 | 7.32 | 405.72 |