Episode 7 — Chemical Industries

Fertilisers in the Environment

Learners will be able to:

• Describe the environmental damage caused by excessive use of fertilisers. • Explain how eutrophication occurs in aquatic ecosystems due to nutrient runoff from fields. • Identify the effects of red tides on marine life and human health. • Compare the advantages and disadvantages of using chemical versus organic fertilisers. • Apply responsible practices for fertiliser use, including monitoring water runoff and careful application.