What makes humus a reservoir of nutrients ? Name and write about the process humus undergoes that enriches the soil.

 

 

Answers (1)

Humus is a reservoir of nutrients as it is derived from litter or organic matter scattered over soil surface such as leaves, twigs, dead bodies of organisms and their excretion. Humus is resistant to microbial action and so decomposes very slowly. Being colloidal in nature it serves as a reservoir of nutrients.

The humus is further degraded by the action of microbes, which finally leads to the release of inorganic mutrients into the soil. This process of releasing inorganic nutrients from the humus is called mineralization.

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