The use of excessive fertilisers in the fields leads to the deficiency of an important substance in the water of a nearby lake. Name the substance.

Open in App

Solution

Dissolved Oxygen in water.

The dissolved oxygen used by the aquatic animals for respiration. The fertilizer decreases the quantity/ amount of dissolved oxygen and the quality of water.

Fertilizers are also harmful to these aquatic animals and also increase the temperature of the water with some chemical and biological changes in water causes water pollution.

Suggest Corrections

Similar questions

Q. The excessive use of fertilisers increases the nutrient content of soil. If these nutrients find their way to a nearby lake, then it would result in the

Excessive use of fertilisers and pesticides in agricultural fields mainly leads to ______ pollution.

The farmers use large amounts of a substance P in the fields to increase the crop yield. The excess of P dissolves in water and runs into a lake. The substance P causes rapid growth of tiny green water plants Q in the lake which cover the whole lake like a green sheet. When the plants Q die, the organisms called R decompose them by utilizing S dissolved in lake water. The amount of dissolved S in water decreases too much due to which the fish living in lake suffocate and die. What are P, Q, R and S?

Q. Runoff of excess fertiliser from farm fields into nearby waterways can result in

Q. The excessive use of chemical fertilisers in the fields cause

Join BYJU'S Learning Program