| 摘要 |
PROBLEM TO BE SOLVED: To provide a soil with adsorption of only a certain fertilizer components, using a material having a high fertilizer-retaining property.SOLUTION: The present invention provides a cationic fertilizer component support artificial soil with adsorption of at least one kind of cation necessary for plant growth onto a granulated cationic adsorbent. In addition, the present invention provides an anionic fertilizer component support artificial soil with adsorption of at least one kind of anion necessary for plant growth onto a granulated anion adsorbent. |
