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Step 4Pipe and Lining Installed
The refill pipe allows refilling the tank without disturbing the dirt or washing nutrients out of it. A cap on this pipe will prevent mosquitoes from breeding in the water tank.
The dirt extends down to the bottom of the water tank along two sides of the platform.
This side trench dirt acts as a wick to raise water as needed up into the rest of the dirt, where the tree's roots can get to it.
The cotton tarp and cardboard keep dirt from falling into the water and also act as additional water raising wicks. By the time they rot away the dirt will have been stabilized by roots, worms, and other critters.
The wooden platform with legs supports the dirt and tree just above the level of the water.
The dirt extends down to the bottom of the water tank along two sides of the platform.
This side trench dirt acts as a wick to raise water as needed up into the rest of the dirt, where the tree's roots can get to it.
The cotton tarp and cardboard keep dirt from falling into the water and also act as additional water raising wicks. By the time they rot away the dirt will have been stabilized by roots, worms, and other critters.
The wooden platform with legs supports the dirt and tree just above the level of the water.
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