Question

What is humus ? What are its functions ?

Answer 1

Humus:- Humus is a substance made from dead leaves and plants, that put into the ground to help plants grow.

Humus is partially decayed organic matter.

Function of humus:

• It makes soil porous, thereby increasing its air and water holding capacity.
• It is rich in nutrients (e.g., minerals) that promote plant growth.
• Being black or dark brown in colour, humus absorbs heat to warm up the soil.