Question

Why are chemical fertilizers used in new farming methods how could you how could use of fertilizers make soil less fertile what are the alternative ways of enriching soil

Answer 1

Chemical fertilizers are used in new farming methods because fertilizers help the plants to grow faster and provide suffiecient nutrients to the plant to grow but fertilizers make soil infertile because it does not provide any humus to the soil and absorb the nutrients of soil. For enriching soil , we should use manure instead of fertilizers

Answer 2

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1. chemical fertilizers provide minerals (nitrogen, phosphorus and potassium )which dissolve in water and are immediately available to plants.

2. but may not be retained in the soil for long.

3. they may be leached from the soil and pollute ground water, rivers and lakes.