| 摘要 |
An extruded plastic structure for edging a plant (tree, shrub or other planting) in a lawn. The strip has a border section, which slopes upward slightly to attach to a vertical ridge, usually in the form of an inverted rectangular section. A porous foam center permits watering of the root structure of the tree The edging is constructed as two symmetrical half circular sections which may be snapped together around the tree.
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