Fertilisers Flashcards
1
Q
What three reasons are there for using fertilisers?
A
- Minerals are constantly cycled
2
Q
What are the three most important additives in a fertiliser?
A
3
Q
What are the two types of fertiliser?
A
- Natural
- Artificial
4
Q
What are four advantages to natural fertilisers?
A
5
Q
What are three disadvantages to natural fertilisers?
A
6
Q
What are three advantages to artificial fertilisers?
A
7
Q
What are four disadvantages to artificial fertiliser?
A
- Readily leached from soil
- Can damage the trophic levels in ponds and lakes
- Expensive to manufacture/buy
- Risk of fertiliser spread to other areas
