| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a tree cultivation method capable of culturing trees, in which the tree hardly causes root rot and has an excellent rooting-degree after transplantation.SOLUTION: The tree cultivation method of the invention is a method in which a tree grows with a cultivation container comprising a main rooting room and a sub rooting room. The method comprises the steps of: planting a tree on the main rooting room of the first cultivation container; allowing roots of the tree to extend to enter the sub rooting room; cutting the roots of the tree entering the sub rooting room; removing the tree whose roots have been cut, from the main rooting room and transplanting it onto a the main rooting room of a second cultivation container larger than the first cultivation container; then the steps of growing on the main rooting room, root cutting, and transplantation from the first cultivation container to the second cultivation container are repeated until the tree grows to a predetermined size. It is also allowed to carry out the transplantation onto the main rooting room of the second cultivation after repeating plural times of the cultivation step on the main rooting room of the first cultivation container and the root cutting step in the sub rooting room of the first cultivation container.</p> |
