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Compost works by aerobic decomposition (breaks down with air) which creates heat. It needs garden waste as well as food scraps.
Composting suits if you:
- have garden waste (50/50 food scraps & garden waste).
- have space on bare earth to put the compost bin.
The benefits are:
- you can add a greater variety of food and other materials than in a wormfarm including garlic, onion and citrus.
- you can recycle your garden waste.
- you can add larger volumes of materials.
- you get rich compost for your garden and pot plants.
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Wormfarming works by worms and other micro-organisms eating food scraps. No garden waste needed.
Wormfarming suits if you:
- don't have any garden materials to get rid of.
- don't have access to any bare earth.
- have a small household or you don’t produce a lot of food scraps.
The benefits are:
- you can collect the liquid and solid fertilisers from your wormfarm.
- you can keep your wormfarm in a courtyard, on a balcony or even inside.
- you don’t need to add garden materials.
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Bokashi uses anaerobic bacteria to ferment food waste, including meat, dairy, bread, and small bones, into a readily decomposable form in a sealed bin, minimising insects and odour.
Bokashi suits if you:
- have somewhere to bury the fermented semi-solid matter (patch or large pot of soil, compost bin, or community garden)
- would also like to compost meat, dairy, bread, and small bones
The benefits are:
- it's compact and sealed, so can be used indoors or outdoors
- it can handle meat, dairy, bread, small bones, citrus, onion, and most other food scraps
- it produces nitrogen-rich liquid and semi-solid fertiliser that, when diluted, are great for a garden and pot plants