Bangalore method of composting

In the Bangalore method of composting, dry waste material of 25 cm thick is spread in a pit and thickslurry of cow dung in water is sprinkled over it. A thin layer of dry waste is laid over the moistened layer.

The pit is filled alternately with dry layers of material and cow dung slurry till it rises 0.5 m above ground level. It is left exposed without covering for 15 days. It is given a turning, plastered with wet mud and left undisturbed for about 5 months or till required.

In Bangalore method, there is aerobic fermentation to start with, following by anaerobic decomposition.