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Inspection Item | Standard |
N+P2O5+K2O | 60.0 min |
N | 20.0 min |
N(NH4+) | 2.0% |
N ( NO3-) | 4.0 |
N(NH2)- | 13.0 |
(P2O5) | 20.0 min |
(K2O) | 20.0 min |
(Zn) | 0.02 |
(B) | 0.05 |
(Mn) | 0.02 |
(Fe) | 0.02 |
(Cu) | 0.01 |
(H2O) | 3.0 max |













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