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ICSE Class 10 Biology Question 11 of 30

Solved 2023 Question Paper ICSE Class 10 Biology — Question 4

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Question

Question 3(iv)

Excessive use of fertilizers in agricultural fields reduces the yield of crops. Justify the statement.

Answer

Excessive use of fertilizers in agricultural fields leads to accumulation of unused chemicals in soil. The soil becomes either acidic or basic, making the soil unfit for cultivation. Also the beneficial microorganisms present in the soil are killed due to chemicals and disturbed ph of soil. Therefore, excessive use of fertilizers in agricultural fields reduces the yield of crops.