#fruitfulness__fecundity  the quality of something that causes or assists healthy growth
  exclusion:  aridity
  supertype:  quality  an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare
  subtype:  richness__prolificacy__fertility  the property of producing abundantly and sustaining growth; "he praised the richness of the soil"
  subtype:  productiveness__productivity  the quality of being productive or having the power to produce

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