Multiple choice

Which type of soil is rich in humus?

  1. Sandy soil

  2. Clayey soil

  3. Loamy soil

  4. Both sandy and clayey soil
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Loamy soil is a balanced mixture of sand, silt, and clay with abundant organic matter (humus). Sandy soil has large particles with low humus retention. Clayey soil has fine particles but can become compacted. Loam's balanced composition makes it ideal for humus accumulation and plant growth.

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