Tucked behind the shed in the garden are three compost bins that are used to create compost for the garden.
The left-hand bin holds compost ready to be used on the garden while the other two are used to create the compost.
To make good compost you need four main things in just the right amount:
- Carbon for energy – the microbial oxidation of carbon produces the heat
- Nitrogen to grow and reproduce more organisms to oxidize the carbon
- Oxygen for oxidizing the carbon and carrying out the decomposition
- Water to maintain the decomposition
So, in our garden the carbon comes from dried leaves and shredded paper or cardboard. The leaves are normally collected from the surrounding reserves and open space.
The nitrogen comes from fresh organic material such as fruits, vegetables, leaves and stalks. We get plenty of that from the garden.
And the oxygen comes from the air. The compost is moved, backwards and forwards, between the two right-hand bins, twice a week.
Finally, water is occasionally is added to keep the compost from drying out.
You Can Help
- Bring dried leaves or shredded paper or cardboard. This is always needed.
- Bring vegetable scraps from home
- Place any material on top of the compost that is maturing in the two right-hand bins
- When you add organic material make sure it is chopped up a bit. This speeds up decomposition
- Don’t add weeds