| 摘要 |
PURPOSE:To cultivate a tree in the air and enable the root part to be observed with eyes by allowing the tree to grow without soil in any arbitrary place. CONSTITUTION:The whole body of a tree 1 including its root 1a is held with support members so that the tree floats in the air. The leaves of the tree is irradiated with the sun or an artificial light and the root 1a is sprinkled with water from the sprinkler 7. The sprinkled water is received by the tank 8 and recycled from the tank for repeated sprinkling. |
