Question

What is humus what are its functions in the soil

Answer 1

Humus is the organic compound of soil which is formed by the decomposition of leaves , some organisms and other plant material by soil microorganisms .
It provides nutrients to the soil.
Helps in improving tilth, aeration and retention of moisture and increasing buffering and exchange capacity of soils .
Hope it helps

Answer 2

Humus is the organic material in soil.Humus contains many useful nutrients for healthy soil,nitrogen being the most important of all.