Assertion : Use of fertilizers greatly enhances crop productivity.

Reason : Irrigation is very important in increasing crop productivity.

• If both Assertion and Reason are true and the reason is the correct explanation of the assertion

• If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

• If Assertion is true statement but Reason is false

• If both Assertion and Reason are false statements

B.

If both Assertion and Reason are true but the reason is not the correct explanation of the assertion

Fertilizers are chemical compounds applied to promote plant growth. They are either applied to the soil or by foliar feeding. They mainly increase the crop yield. Average yield per hectare has increased from 1.1 tons in 1950 to 2.3 tons in 1986 by the use of inorganic fertilizers.

Irrigation is very important in increasing crop productivity as water is an essential component of vital activities of a plant.