Stones and wood
Cork round
A hollow tube of cork bark.
What the simulation uses
- Holds water
- 20 % by volume
- Water it keeps after draining; the rest runs down to the drainage.
- Pore space
- 45 % by volume
- Room for air and water between grains; low means roots suffocate when wet.
- Weight
- 700 g/L
- How heavy a litre is.
- pH
- 5.5 to 7 pH
- How acid it keeps the soil.
Description
A hollow tube of cork bark. Stand it upright like a stump or lay it down as a tunnel.
Also called cork tube.
Estimated, where sources were thin: look authored for the app; physical values estimated.