Physical properties of the 3:1 peatmoss:pumice (by vol) substrate in 18 cm tall, 2.1 L volume container.
| Variable | Mean | Standard deviation |
|---|---|---|
| Bulk density (g cm−3) | 0.43z | 0.05 |
| Total pore space (%) | 63.7 | 2.3 |
| Water-filled pore space | 46.8 | 2.0 |
| Air-filled pore space | 16.5 | 4.2 |
↵zEach value is the mean of five containers.