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Which of the following processes occurs during decomposition in soil?
Question

Which of the following processes occurs during decomposition in soil?

A.

Crystallisation

B.

Defragmentation

C.

Humification

D.

Oxidation

Correct option is C

The correct answer is (c) Humification

  • Humification is a crucial step in the decomposition of organic matter in soil.

  • It involves the formation of humus, a dark, amorphous, and stable organic substance.

  • Humus is highly resistant to microbial action and improves soil fertility and water retention.

  • This process occurs after the initial breakdown of complex organic matter by microbes and enzymes.

Information Booster:
• Decomposition includes fragmentation, leaching, catabolism, humification, and mineralization.
Humification leads to the accumulation of humus, which is essential for soil structure.
• It slows down microbial activity due to humus's stable nature.
• Humus acts as a nutrient reservoir for plants.
• It enhances soil texture, aeration, and microbial diversity.
• Microorganisms like fungi and actinomycetes play a key role in humification.

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