Vermi Bed is the actual layer of good moist loamy soil placed at the bottom, about 15 to 20 cm thick above a thin layer of broken bricks and coarse sand. The Vermi compost made from this bed makes the soil & crop completely free from chemicals and other harmful substances as compared to chemical fertilizers. Vermi Bed is widely used for organic farming; it helps farmers make their own organic compost. The bed should neither be dry or soggy. Plastic sheets on the bed are to be avoided as they trap heat. This is very effective and economical both.