| 摘要 |
PURPOSE: Provided is a cover for protecting roots of a tree from harmful chemicals, such as calcium chloride, which inhibits the growth of a tree and further withers it up, in winter. CONSTITUTION: A cover for protecting roots of a tree is characterized by using water proof material. It covers the ground and prevents harmful chemicals from infiltration into the soil. Therefore, it minimizes damage on the roots of a tree by the chemicals. The cover contains bactericidal and insecticidal products. |
