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Compost and uses
The microorganisms that act on organic waste in order to break it down are anaerobic bacteria that work in the absence of air. The compost is covered with a lid so that there is no air present in side the pit. The pit is not filled up to the top because when the bacteria work on the compost it realises some gas, which is collected at the empty space in the pit.
The main use of compost is made in the agricultural fields. In agricultural fields, the compost is spread over the top soil by digging it a little bit manually or with the help of machines. The compost is then layered through out the soil so that it completely mixes up with the soil and is absorbed by the plants.
When we add water to the soil, different nutrients present in the compost are dissolved in the water and when different plants use this water they absorb the essential nutrients and in turn speed up their processes. The gas released during the formation of compost is supplied in various houses to carry out various household works.