The diagram illustrates the process turning organic waste into fertilizer for gardening purpose.
Overall, there are four main steps occurred in a 2 m³ plastic container which is filled with air molecules.
In the first stage, daily waste such as newspaper, glass and food are thrown into the container to form various separated layers, 15 cm each. Subsequently, nitrogen and hot water are added. Cold water is not permitted since it doesn’t provide heat for the process. After having all the ingredients inside, the fermentation start with the heat maintained constantly for 6 months.
At the end, the waste become compost, where worms appeared on the surface. This substance is then used as environmentally friendly fertilizer in many family and industry.
In conclusion, despite its simple function and requirement, the process of creating garden fertilizer is considered as time consuming.