PROBLEM TO BE SOLVED: To provide culture soil that is light in weight, has excellent water permeability and water retentivity, and can shorten a seedling raising period.SOLUTION: The culture soil is obtained by adding a fertilizer component to a mixture of vegetable fiber material, mineral material, and culturing soil.SELECTED DRAWING: Figure 1COPYRIGHT: (C)2017,JPO&INPIT【課題】軽量で水の浸透性と保水性に優れ、苗の育生期間の短縮化を図ることができる培養土の提供を目的とする。【解決手段】植物性繊維材と鉱物系資材と培土との混合物に肥料成分を添加してあることを特徴とする【選択図】 図1