Question

Give two reasons why fertilizers have to be regularly used in agriculture.

Answer 1

Following are the reasons due to which fertilizers need to be used in agriculture regularly:

According to the nature of the soil, different types of soil lack different type of nutrients due to which plant do not get the nutrients in appropriate amounts. Regular use of fertilizer supplies these nutrients to the plants and since they come in appropriate ratio and are applied in specified dosage they ensure optimum growth of the plant and improved yield.
Example, Ammonium phosphate, NPK etc
Therefore, it is advised to use fertilizers regularly in agriculture.