| Soil property | Mean (± SE) |
| Sand (g·g−1) | 0.09 (<0.01) |
| Silt (g·g−1) | 0.79 (<0.01) |
| Clay (g·g−1) | 0.11 (<0.01) |
| Bulk density (g·cm−3) | 1.16 (0.01) |
| pH | 7.5 (<0.1) |
| Electrical conductivity (dS·m−1) | 0.167 (<0.1) |
| Mehlich-3 extractable nutrients (mg·kg−1) | |
| Phosphorus | 11.4 (0.1) |
| Potassium | 46.1 (0.9) |
| Calcium | 2006 (4.2) |
| Magnesium | 276 (2.2) |
| Sulfur | 11.9 (0.4) |
| Sodium | 29.8 (0.6) |
| Iron | 304 (7.8) |
| Manganese | 244 (5.1) |
| Zinc | 2.5 (0.1) |
| Soil organic matter (%) | 2.6 (< 0.1) |
| Total carbon (%) | 1.1 (< 0.1) |
| Total nitrogen (%) | 0.1 (< 0.01) |
| Carbon:nitrogen ratio (mass/mass) | 10.0 (< 0.1) |
| Carbon:phosphorus ratio (mass/mass) | 997 (15) |