Question

Manures and fertilizers are added to the soil to provide nutrients to the plant.
Which of the following statements about manures and fertilizers are true?

• A. Manures are chemical compounds while fertilizers are natural
• B. Manures are environment friendly while fertilizers cause soil pollution
• C. Manures decrease soil fertility in the long run however, fertilizers in the long run increase the fertility of the soil.
• D. Manures decrease the water holding capacity of soil while fertilizers increase the water holding capacity of the soil

Answer 1

The correct option is B Manures are environment friendly while fertilizers cause soil pollution

Manures are obtained from the decomposition of cattle dung, human wastes, and plant residue. They are thus organic in nature and environment friendly. Fertilizers are chemical in nature and are produced in factories. Its excessive use can cause soil pollution.