Question

5. Explain the disadvantages of using chemical fertilisers.
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Answer 1

Answer:

The disadvantages of using chemical fertilizers are explained below:

1. Chemical fertilizers provide minerals which dissolve in water and soon after these are available to plant.

2. But these may not retain in the soil for long.

3.They may escape from the soil and pollute ground water, lakes and rivers.

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Answer 2

Answer:

Chemical fertilisers shouls not be used in a excess amount or they will harm the soil and the crops too.The soil can lose its fertility.