| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a soil conditioner or the like which is a soil conditioner using crushing materials such as regenerating fine powder which is obtained by crushing concrete, and can control excessive elevation of a pH or electrical conductivity of soil when mixed in soil. <P>SOLUTION: The soil conditioner includes a crushing material which is obtained by crushing concrete, and calcium superphosphate. <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
