With the proper mixture of water, oxygen, carbon, and nitrogen, micro-organisms are allowed to break down organic matter to produce compost.

The campground has dry toilets in which lime, sawdust and solar energy are used to produce compost.

Composting breaks down organic material to produce safe, stable compost.

The system used in Fairfield is more complex, but produces compost in just 24 days.

More than half buy no peat at all and six county councils have set up schemes to produce peat-free compost.

Examples of leisure uses are football pitches, golf courses and commercially produced compost for use in gardening or park maintenance.

A trial scheme is in progress which uses recycled garden waste combined with sandy clay loam to produce compost.

The world's largest plant for recycling rubbish and producing compost has been opened in Rio de Janeiro.

See our guide on producing and selling compost.

If you produce compost from biowaste by complying with the quality protocol it will no longer be classified as waste.