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In china, if you have the factory and fertilizer machine, want to produce the organic fertilizer, must meet the following standard or rules that updated No. NY525-2012. The new rule requires the following to any supplier or manufacture of organic fertilizer:
1. Organic Fertilizer Color: similar with dust, can be black, gray, white...
2. Organic fertilizer form: Granules or powder, no foul smell
3. Essential contents of organic fertilizer
Item |
Ratio |
Total organism(dry) |
≥45% |
Total NPK(dry) |
≥5% |
Total moisture |
≤30% |
PH |
5.5-8.5 |
4. Limits on the heavy metal of organic fertilizer
Item |
Ratio |
As(Arsenic) |
≤15mg/kg |
Hg(Mercury) |
≤2mg/kg |
Pb(Lead) |
≤50mg/kg |
Cd(Cadmium) |
≤3mg/kg |
Cr(Chrome) |
≤150mg/kg |
5. Death of Ascaris and its baby eggs, coliform group in organic fertilizer must be under the rule of NY884.