Question

Fertilizer runoff from farms can get into groundwater and travel to nearby streams. Then, it can eventually end up in lakes. What is one result of excess fertilizer in a lake?

Answer 1

Algae growth and oxygen depletion in lakes and stream, and methemoglobinemia, caused by too much nitrate-nitrogen in drinking water.

Answer 2

Answer: The fertilizers that are used for the growth and development of the plants are harmful for the aquatic life when it is carried away by the run from the agricultural fields.

These fertilizers helps in the growth of the algae and it forms a layer on the surface of the water bodies that reduces the amount of oxygen inside the water.

This can lead to death of the aquatic animals in the water bodies.