| 摘要 |
<P>PROBLEM TO BE SOLVED: To achieve efficiently the granulation of fowl dropping ash which is difficult so far and collapses in water. <P>SOLUTION: The fowl dropping ash granular fertilizer has collapsibility in water of 60% or more. The pH of the fowl dropping ash after the treatment is adjusted to less than 10.5 by adding hydrochloric acid to the fowl dropping ash and processing the neutralization. <P>COPYRIGHT: (C)2012,JPO&INPIT |
