| pH | Organic matter | Clay (<2 µm) | Silt (2 - 20 µm) | Sand (>20 µm) |
Commercial soil | 7.2 | 9% | 9% | 34% | 48% |
Mollisol | 5.8 | 5% | 56% | 9% | 30% |
Oxisol | 3.9 | 8% | 42% | 3% | 47% |