| 摘要 |
1,252,849. Bulb containers. FARBENFABRIKEN BAYER A.G. 16 Oct., 1970 [6 Nov., 1969], No. 49311/70. Heading A1E. In a process for the cultivation of bulbs use is made of a panel of low density hydrophilic polyurethane foam comprising a first part Fig. 1, having through holes a into the lower ends of which bulbs d are pushed tip first until their root attachment region is flush with the lower surface. To this surface a second part a, Fig. 3, is attached mechanically or with adhesive. The second portion retains the bulbs and is penertated by their roots as they grow after the foam is moistened. |
