| Similarity | Rank | |
|---|---|---|
| soil | 0.665 | 1523 |
| organic_matter | 0.658 | 26813 |
| nitrate | 0.651 | 26529 |
| slurry | 0.641 | 49100 |
| effluent | 0.640 | 39640 |
| sediment | 0.639 | 9378 |
| sludge | 0.630 | 28932 |
| arsenic | 0.621 | 26103 |
| silt | 0.618 | 39379 |
| phosphorus | 0.615 | 20115 |
| sandy_soil | 0.612 | 76984 |
| manure | 0.611 | 18466 |
| chloride | 0.608 | 50490 |
| contaminated_soil | 0.605 | 97927 |
| heavy_metal | 0.599 | 17228 |
| runoff | 0.593 | 19716 |
| contaminant | 0.593 | 17936 |
| sulfate | 0.592 | 62467 |
| groundwater | 0.590 | 10207 |
| subsoil | 0.587 | 89615 |
| ground_water | 0.587 | 30977 |
| nitrogen | 0.585 | 11773 |
| oxidize | 0.581 | 50924 |
| phosphorous | 0.581 | 70296 |
| oxidation | 0.581 | 34138 |