C2g Fertilisers and Crop Yields

You need to be able to:

• Explain how fertilisers increase crop yield (elements required, how fertiliser gets from bag to plant, what the essential elements do)
• Explain the pros and cons of using fertilisers (including eutrophication)
• Explain how to make a named fertiliser (reactants required, detailed lab procedure, word equation, balanced symbol equation)

2. Bitesize notes on fertilisers
3. Eutrophication site with cartoon explanation
4. Experimental procedure and diagram for making a fertiliser