Question

Highest content of humus is found in which soil?

• A. Clayey soil
• B. Loamy soil
• C. Sandy soil
• D. Both B and C

Answer 1

The correct option is A

Clayey soil

The correct option is A.

Explanation of correct Option:

1. Clayey soil particles are small in size and are tightly packed and so it is not aerated well and retains water.
2. Due to its small particle size and water, humus gets easily mixed with it.
3. Thus, clay has the highest humus content.
4. Humus is the organic component of soil, formed by the decomposition of leaves and other plant material by soil microorganisms.

Explanation of incorrect Options:

Option B:

1. Loamy soils are known to have a higher content of humus than sandy soil but lower content of humus than clayey soil.

Option C:

1. Sandy soil is known to have the least content of humus among all kinds of soils.

Final answer: Highest content of humus is found in clayey soil .