摘要 |
<p>The invention provides a seed-germination medium (2) comprising an upper layer (4) formed from a biodegradable material which is permeable to gases but substantially impermeable to water in liquid form; a lower layer (6) formed from a water-absorbent biodegradable material; seeds (8) being disposed beneath the upper layer (4); and the upper layer (4) having a plurality of perforations (12) therein to enable seedlings germinating from the seeds (8) to grow therethrough.</p> |