9.6 THE USE OF FERTILISERS

Question 1

What are fertilisers and its use?

Answer 1

1. Substances that replace minerals such as nitrates in the soil
2. Used to increase yield of crops

Question 2

What are the two types of fertilisers?

Answer 2

Natural & Artificial

Question 3

What are the advantages of natural fertilisers?

Answer 3

1. Made from manure (decomposed animal droppings) and compost (decomposed plant)
2. Cheap
3. Improve structure of soil

Question 4

What are the disadvantages of natural fertilisers?

Answer 4

1. Release nutrients very slowly
2. Limited supply

Question 5

What are the advantages of artificial fertilisers?

Answer 5

1. Made in large quantities
2. Release nutrients fast
3. Abundant supply

Question 6

What are the disadvantages of artificial fertilisers?

Answer 6

1. Expensive
2. Do not improve the structure of soil