Question

what is the effect of using large amount of fertilizers and pesticides on quality of the soil​

Answer 1

Of all the major fertilizer nutrients, nitrogen is the main nutrient affecting soil pH, and soilscan become more acidic or more alkaline depending on the type of nitrogen fertilizerused. ... Phosphoric acid is the most acidifying phosphorus fertilizer. - Potassium fertilizershave little or no effect on soil pH.

Answer 2

1.The chemical nature of the soil changes.

2.It drains off into the water bodies due to surface run off and contaminate fresh water.

3.If used to much soil looses it's natural quality.