| 摘要 |
<p>The seedling box is made up of two halves, one of which (1) is in the form of a rectangular parallelepiped which has no base. This part has two long sides which are perforated and one short side. The second part (2) has a planar base, one short side and two long perforated sides. The two parts slide into one another to form a four-sided rectangular tray. The seedlings are watered by pointed hoses which direct water through the lateral perforations.</p> |
