fertilisers

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fertilisers
- what are fertiliser?
  - fertilisers contain soluble nitrogen
    - nitrogen is needed to create protein, the fertilisers also influences growth in the plant
- artificial and natural fertilisers
  - (penguin poo)
  - ammonia
    - this is made from hydrogen and nitrogen
  - volcanic ash
- disadvantages
  - eutrophication
    - Eutrophication, is where fertilisers leak into a river or lake and make the weeds grow, this blocks which kills smaller plants, bacteria then rots the plants which takes oxygen, fish and other living things die in the river due to suffercation
fertilisers contain soluble nitrogen
- nitrogen is needed to create protein, the fertilisers also influences growth in the plant