| 摘要 |
PURPOSE: A tree trunk protective apparatus capable of conveniently using is provided to use a trunk protecting material formed with a coating agent or a protective sheet for surrounding the trunk of a tree. CONSTITUTION: A tree trunk protective apparatus comprises the following: a trunk protecting material surrounding more than one trunk(1) of a tree for protecting; a supply unit(300) located in between the tree trunk and the trunk protecting material for discharging agricultural chemicals and receiving the agricultural chemicals from outside; and a coating agent spread on the inside of the apparatus to form an injection space for the agricultural chemicals. The trunk protecting material is obtained by mixing a main material including clay and micro-sand, an auxiliary material including oil or environment-friendly fibers, and water. The main material additionally includes yellow soil. |
