A soilless cultivation device (100) comprising a modular structure (2) divided vertically by a permeable wall (9) into two subassemblies (3, 4), i.e. a first assembly (3) comprising composting material (MC), i.e. material undergoing transformation and transformed material, and a second cultivation assembly (4) comprising cultivation substrate (SC), while the first assembly (3) comprises a rear wall (2a) at least a portion of which can be removed.
