Question

How does humus play a role in deciding the soil structure and provides nutrition to the plants?

• A. It is an organic layer formed from the dead and decaying material.
• B. It helps to retain moister and nutrients.
• C. It influences the bulk density of the soil by keeping the layer of soil loose and full of air pockets.
• D. All of the above.

Answer 1

The correct option is D All of the above.

Humus is the topmost organic layer of soil. It is formed from dead and decaying animals and plants remains. Hence, it is rich in nutrients like nitrogen. This layer influences the bulk density of the soil and helps retain moisture and nutrients.