| 摘要 |
PROBLEM TO BE SOLVED: To provide a coloring agent-compounded fertilizer in which the recognition of the dilution concentration and the constituent and compounding ratio of the fertilizer component are easily carried out. SOLUTION: The coloring agent-compounded fertilizer is obtained by adding a water-soluble coloring agent to a water-soluble fertilizer component to cover the surface with the coloring agent. COPYRIGHT: (C)2006,JPO&NCIPI
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