Not safe disposal but good for soil building -
Composting is method of combined refuse disposal and nightsoil or sludge. It is a process of nature whereby organic matter breaksdown under bacterial action resulting in formation of relatively stable humus like material, called compost.The principal byproducts are carbon dioxide,water and heat.This heat destroys the eggs and larvae of flies and pathogens. The end product compost contains few or no disese producing organisms, and is good soil builder containing small amounts of major plant nutrients like nitrates ans phosphates. Parks textbook of preventive and social medicine.K Park. Edition 23.page no:755
Incineration
Controlled tipping
Composting
None
Environment and health