Question

What is humus? Explain its functions.

Answer 1

Definition : Humus is complex organic substance which is the dark organic matter that form in soil. It is important for fertility of soil.

Function of Humus ⇒

• ⇒One of the most important functions of humus is that it makes the soil    more porous,

• ⇒It also improve the structure of the soil.

• ⇒Humus support the all important organism called mycorrhizl fungi.
• ⇒It important function is that it increase the fertility of soil.

Answer 2

Answer:

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Humus :- Humus is dark coloured amorphous substance formed from partially decayed organic matter.

❋Functions of Humus :-

• It makes the soil porous,thereby, increasing its air and water holding capacity.
• It is rich in nutrients that promote plant growth.
• Being black,it absorbs heat to warm up the soil.