| 摘要 |
The invention relates to a substrate (1) block for cultivating perennial plants such as roses, comprising a block (5) of mineral wool which is provided on its standing surfaces (6, 7) and on its upper surface (10) with a vegetation-avoiding layer (11), wherein preferably the vegetation-avoiding layer (11) is a non-rootable layer, and more preferably the non-rootable layer is formed from high-density mineral wool (14), a layer of plastic (8) and the like. |
