| 摘要 |
PROBLEM TO BE SOLVED: To provide a steel slag granular fertilizer having excellent collapsibility, especially collapsibility in water, which is quickly collapsed and dispersed in water, and an excellent fertilizer effect as well. SOLUTION: The fertilizer contains a collapsing and dispersing agent comprising an amino acid-based anionic surfactant such as sodium coconut oil fatty acid methyltaurine, sodium lauroylmethyltaurine, N-acyl-methylglycine, sodium N-acyl-methylglycine, potassium N-acyl-methylglycine, sodium N-stearoyl-L-glutamate, disodium N-stearoyl-L-glutamate, sodium N-coconut oil fatty acid acyl-L-glutamate, sodium N-lauroyl-L-glutamate, sodium N-myristoyl-L-glutamate, potassium N-myristoyl-L-glutamate, N-coconut oil alkyl-glutamic acid triethanolamine, and N-lauroyl-sarcosine triethanolamine. COPYRIGHT: (C)2008,JPO&INPIT
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