| Properties | Red River soil | Glenhope soil |
| pH | 7.6 | 7.8 |
| EC (mS∙m−1) | 501 | 254 |
| FMC (g∙g−1) | 25 | 17 |
| (mg∙kg−1) | 32 | 4 |
| (mg∙kg−1) | 8 | 8 |
| Available P (mg∙kg−1) | 32 | 13 |
| Exchangeable Ca (cmol∙kg−1) | 11.9 | 4.9 |
| Mg (cmol∙kg−1) | 4.4 | 1.2 |
| K (cmol∙kg−1) | 2 | 1 |
| Na (cmol∙kg−1) | 0.4 | 0.3 |
| CEC (cmol∙kg−1) | 46.8 | 19 |
| Sand (%) | 6 | 83 |
| Silt" | 25 | 9 |
| Clay" | 69 | 8 |
| Textural class | Clay | Loamy sand |