摘要 |
<p>The frame or collar extends upwards slightly out of the ground, forming a collection bowl for the receipt of water, manure, or other similar substances. They comprises a long strip or plate (1), which by means of grippers (2) can be formed into a tubular collar or frame structure around a plant or plants. Dependent upon the grippers, the strips or plates can form collars or frames which are circular or multi-cornered. They are normally made of plastic.</p> |