| 摘要 |
<p>The tower is for the cultivation of small plants, vegetables or fruits, and for assembly by the user. It comprises a rectangular skeleton frame of metal angle sections, over which bottomless trays (10) are threaded and held in place. These form peripheral growth areas (13) at different levels, and are secured in the vertical position by removable or retractable transverse components. The tray walls can slope inwards towards the earth filling, and there can be a central rectangular core (8,9) of non-rotting material.</p> |
