changing the world in our own backyard

The humus revolution has begun — you can be part of it

News from the Humus Project is sent out once a month


Biodynamic Agriculture: farming method introduced by Rudolf Steiner.

Compost: general term for compostable organic matter; the random accumulation of organic materials; the skilful composition of compostable matter in a heap or container

Compost Activator: a catalyst for the decomposition of compostable materials into humus

Decomposition: the decay of organic materials in the composting process

Earthworm: burrowing worm that lives in the soil, eats and digests vegetable matter and animal manure, and excretes worm castings, considered to be the most valuable humus.

Edaphon: the microorganisms in the soil; equivalent to the plankton in the sea.

Humus: the ‘placenta of the earth’, a vital organ of earth as a living organism. Humus is the result of decomposed organic matter, it ensures soil health and keeps it alive.   

Nutritional Humus: humus which releases its nutrients quickly

Permaculture: an agricultural concept for creating self sustaining ecosystems and edible landscapes; “Permaculture is the conscious creation of a paradise”; “Permaculture is a revolution in the guise of gardening.”

Permanent Humus: humus which releases is nutrients slowly

Super-humus: a name for the humus produced by earthworms.

Topsoil: the upper 2 or 3 layers of earth.

Vermiculture: the breeding of earthworms in a worm farm.

Worm castings: the excretions of earthworms, a most valuable permanent humus, rich in nutrients and microorganisms.

Worm hotel: a special box system for breeding earthworms.

Photo: Amadou Loureiro