| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for activating trees capable of easily and inexpensively recover tree's vigor in a short time and maintaining the growing power for a long time, needless to say for not only old trees and precious trees but for continuous and sound growth of trees. SOLUTION: This method for activating trees is to apply a carbonized soil- improving agent 2 and the solution of a rooting accelerating agent 3 around the root of an objective tree 1, dig plural small holes 4, 4 on a ground in a range where at least hairy roots of the tree grow and apply the carbonized soil-improving agent 2 and the rooting accelerating agent solution 3 in the small holes 4, 4. |
