What is humus? What are its functions?

Humus is the dark organic matter that forms in the soil when plant and animal matter decays. It contains many useful nutrients for healthy soil.

Functions of humus in soil are-

● Humus increases the fertility of soil;

● It also helps soil absorb and retain moisture

● Humus also promotes the formation of good soil structure.

● It supports microbial activity in soil, through which roots absorb nutrients