<P>PROBLEM TO BE SOLVED: To provide a concrete unit suitable for fixing aquatic plants by giving a concrete block a characteristic having no adverse effect on aquatic plants while using a weight, a strong surface and a special feature which concrete has. ??<P>SOLUTION: The unit for fixing aquatic plants includes a seed and seedling-planting part, and a support base for supporting the seed and seedling-planting part. In the unit for fixing aquatic plants, the support base is formed by a three dimensional block which is made of linear bodies of mortar or concrete mixed with vegetable fiber and where the linear bodies are partially bound to each other and gaps are formed between the linear bodies, and the seed and seedling-planting part is formed by granules filled in the gaps between the linear bodies. ??<P>COPYRIGHT: (C)2010,JPO&INPIT ??
