Sheet for planting, natural plant structure, natural plant structure tile and natural plant structure unit

摘要

PPROBLEM TO BE SOLVED: To provide a planting sheet consisting mainly of non-woven fabric, excellent in water retainability, and enabling plant cultivation with reduced frequency of watering, and to provide a natural plant structure and a natural plant structure unit each using the planting sheet. PSOLUTION: The planting sheet comprises non-woven fabric where hydrophilic polyester fiber is used as main raw material fiber. The non-woven fabric consists mainly of polyester non-woven fabric having a water retaining rate of 500-3,500% and a water retention stability index of 75%. The natural plant structure is obtained by planting plants on the planting sheet. The natural plant structure unit is obtained by placing the tiled natural plant structure in a tray at the bottom plate of which water drainage holes are provided. PCOPYRIGHT: (C)2004,JPO