Question

Which of the following highlight the significance of humus in soil?

• A. It is used to improve the soil structure.
• B. Humus promotes soil erosion.
• C. Humus helps to retain water.
• D. Humus increases the nutrient level.

Answer 1

Answer: (A), (C), (D)

The correct options are
A It is used to improve the soil structure.
C Humus helps to retain water.
D Humus increases the nutrient level.

Humus is the organic component of the soil formed due to the decay of organic matter.
It plays a very important role in:
$\bullet$ Improving the soil structure
$\bullet$ Reducing soil erosion
$\bullet$ Retaining water in the soil
$\bullet$ Enriching soil with nutrients