The process in which decomposition of  cow dung, domestic waste, animal, refuse etc. in a pit take place is called [[1]].

Concept: Composting is the common prepare of 'rotting' or decay of natural matter by microorganisms beneath controlled conditions. 

Crude natural materials such as trim buildups, creature squanders, nourishment trash, a few metropolitan squanders and reasonable mechanical squanders, improve their appropriateness for application to the soil as a fertilizing asset, after having experienced composting. 

A mass of decayed natural matter made from squander is called compost. 

The compost made from cultivate squander like sugarcane junk, paddy straw, weeds and other plants and other squander is called cultivate compost.

Hence,the correct answer is Composting.