Farming Flashcards
1
Q
What do fertilisers do?
A
Provide elements needed by plants to grow
E.g. nitrogen, phosphorus and potassium
2
Q
What are the problems with fertilisers?
A
Too much fertiliser can pollute water supplies, causing eutrophication.
Can cause algae to overgrow in water supplies.
3
Q
What are 2 ways of controlling pests?
A
Pesticides
Biological control
