Question

State two disadvantages of fertilizers

Answer 1

Fertiliser:

1. Fertilisers are materials which are prepared in the factories and are used by the farmers to enhance the quality of the soil.

2. They contain nutrients like nitrogen, phosphorus and potassium compounds.

Disadvantages of fertilisers:

1. They are very costly.

2. They are not nutrient specific.

3. They run off into waterways.

4. They cause algae blooms.

Answer 2

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Disadvantages of Fertilizers

Fertilizers have the following disadvantages:

♠️They are expensive.

♠️The ingredients in the fertilizers are toxic to the skin and respiratory system.

♠️Excessive use of fertilizers damages the plants and reduces soil fertility.

♠️Leaching occurs and the fertilizers reach the rivers causing eutrophication.

♠️Long term use reduces the microbial activity and disturbs the pH of the soil

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