Sentence Examples

  • The carbonic acid in the soil, and of the humus-acids which appear to
  • Of the humus-acids is probably hastened during the digestion of the
  • This earth forms the dark-colored, rich humus which almost everywhere
  • Centimetre (.4 inch) in thickness, was converted into humus by having
  • Humus with which the burrows are lined. Many seeds owe their

How would you define humus? Add your definition here.

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