Organic and NPK fertilizer making machines

The Types of Organic Fertilizers

Organic fertilizers can be roughly classified into the following four categories:

  • manure and urine: including human and animal excrement and manure, poultry manure, sea bird manure, and silkworm.
  • Stacking manure: including compost, manure, straw and biogas fertilizer.
  • Green manure: including cultivated green manure and wild green manure.
  • Miscellaneous fertilizers: including peat and humic acid fertilizers, oil mites, soil fertilizers and sea fertilizers.


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