| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a soil modifier and a soil modification method in which there are not a problem of an uncertainty and a problem in equipment and a cost in a conventional soil conditioner in which a microorganism and a cleaning agent are enclosed in a capsule, and soil modification method; and an oxygen supply agent, a microorganism, and a nutrient are supplied in a chain in a contaminated soil, thereby a soil modification can be efficiently performed. <P>SOLUTION: The soil modifier includes: a first coated modifier in which a material causing a hydration reaction by moisture in a soil or/and a material dissociating to acidity or alkalinity are coated with a biodegradable material or/and a coating material including a water-soluble material; and a second modifier in which a microorganism or/and a nutrient are coated by a coating material including at least one material chosen from an acid-solubility material, an alkaline-solubility material, and a thermal dissolution material. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
