| 摘要 |
<p>The supplementary feeder vessel is of resilient material filled with liquid such as sugar syrup. A sheet (4) is sealed to the vesel (1), and in which relatively small holes (5) are pricked, these being temporarily closed by a seal (6). After the latter has been removed and the air above the syrup squeezed out the vessel is mounted upside down alongside the plants. The seal can be formed by a label or sticker with instructions for use.</p> |
