#manure  any animal or plant material used to fertilize land especially animal excreta usually with litter material
  supertype:  organic_fertilizer__organicfertilizer__organic  a fertilizer that is derived from animal or vegetable matter
  subtype:  chicken_manure__chickenmanure  chicken excreta used as fertilizer
  subtype:  cow_manure__cowmanure  cow excreta used as fertilizer
  subtype:  green_manure__greenmanure  a growing crop that is plowed under to enrich soil
  subtype:  horse_manure__horsemanure  horse excreta used as fertilizer
  subtype:  night_soil__nightsoil  human excreta used as fertilizer

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