No, it is not. In fact, soil is only one of the substrates. For plants, the most basic needs are water and dissolved minerals, as well as light and carbon dioxide for photosynthesis.
Plants attached to the wall of the building are not rare in our lives. Most of them belong to the creeping vines, such as the Parthenocissus. But once the plants are rooted or attached to the walls of the building, whatever the wall is, they will be easily destroyed by plants and cause the complete destruction of the walls. But botanical knowledge tells us that the destruction of the wall caused by plant root growth is avoidable. As long as it provides a matrix of fixed plant roots on the wall surface and supplies water and nutrients regularly to plants, the plant roots will only be distributed on the exterior surface of the built wall and make the wall inside the wall. It is not affected by any effect.
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