Question

how does the use of excess of fertilizers and pesticides effect water bodies

Answer 1

It decreases the production of crop after using them for few years ,pollute land ,water,air etc,,,,.

Answer 2

If the fertilizers are used in excess then:

1. They can make the soil acidic which may destroy the crops.

2. If they are eroded and enter water then they can change the pH of water which may result in dying of Aquatic animals and plants.