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Hands sift through compost ready for use. [credit: uf/ifas]

WHAT IS COMPOSTING AND COMPOST?

closeup of two hands cupped and holding a mound of finished compost productComposting is the controlled decomposition of organic materials by microorganisms.

Compost is partially decomposed organic matter.

Humus is completely decomposed organic matter.

Mulch is organic and/or inorganic material spread in a layer on the soil surface.

Benefits and Uses of Compost

Compost offers many benefits to the landscape and garden. For example, compost:

landscape setting with mulch under and around trees

  • Improves soil tilth condition, and structure;
  • Increases the soil's ability to hold water and nutrients;
  • Supports living soil organisms;
  • Helps dissolve mineral forms of nutrients;
  • Buffers soil from chemical imbalances;
  • May provide biological control of certain soil pests; and
  • Helps return organic materials to the soil, and keeps them out of landfills and waterways.
QUESTIONS?
Email: sarasota@ifas.ufl.edu
Phone: 941-861-5000 or 941-861-9900