To provide an acid soil amending material exhibiting an excellent fertilizer effect having sustained-release capability on calcium and nitrogen, by utilizing suitably treated burned ashes.
The acid soil amending material consists of granules obtained by adding a basic amino acid into burned ashes and performing granulation. In the granules the elution amounts of fluorine, boron and hexavalent chromium do not exceed the reference values when the elution is conducted according to the elution test method based on the Soil Contamination Countermeasures Law, No. 18 Notification from Ministry of the Environment in 2003. The burned ashes are added with a substance selected from calcium oxide, alumina cement and aluminum sulfate, the substance which fixates the elution control objective substances of the above law consisting of fluorine, boron and chromium.
TATEMICHI YOSHIYASU
YAMAMOTO MASAYO
SAIJO YOSHIHIKO
SHINOMURA YOSHINORI
| JP2001089278A | 2001-04-03 |