Question

give reason Fertilisers and pesticides should not used in excess​

Answer 1

Answer:

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Soil scientists said that continuous use of chemical fertilizers and pesticides in the arable land gradually decreases its productivity. ... Excessive use of chemicals destroys soil nutrients like sodium, potassium, nitrogen and creates imbalances in soil fertility, according to researches.

Answer 2

Answer:

Fertilizer and pesticides should not used in excess amount due to following reasons...

1) Due to high amount of fertilizer and pesticides it's destroy essential micro organism present in soil.

2) Pesticides are also harmful chemicals which affects human body if used in excess without proper treatment.

3) Heavy usage of fertilizer cause pollution in rivers.