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.
- The bar chart below shows the information about the population size in an area of UK and its birth rate and death rate in 1700 1800 1900 ad 2000 Summarise the information by selecting and reporting the main features and make comparisons where revelant
- Every year several languages die out Some people think that this is not important because life will be easier if there are fewer languages in the world To what extent do you agree or disagree with this opinion 84
- The diagram below shows how to recycle organic waste to produce garden fertilizer compost
- The graph below gives information from a 2008 report about consumption of energy in the USA since 1980 with projections until 2030 Summarize the information by selecting and reporting the main features and make comparisons where relevant 11
- Some experts believe that it is better for children to begin learning a foreign language at primary school rather than secondary school Do the advantages of this outweigh the disadvantages 73