Micro-organisms e.g. bacteria are very tiny living things which can only be seen under a microscope. Their needs are similar to ours - air to breathe, moisture, warmth and food. These conditions are met when the right amount and mixture of organic material is collected and piled together. Micro-organisms feed on organic waste, breaking it down into compost.
Did you know?
A teaspoon of soil can contain up to 1 billion bacteria!