A fertile agricultural soil appears dark coloured at the surface as compared to soil one metre down. The reason for colour of top soil is

Question

A fertile agricultural soil appears dark coloured at the surface as compared to soil one metre down. The reason for colour of top soil is

A fertile agricultural soil appears dark coloured at the surface as compared to soil one metre down. The reason for colour of top soil is
A. more moisture
B. rich in organic matter
C. rich in iron, calcium and magnesium
D. recent formation

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - B
Dark colour of soil is due to accumulation of leached organic substances and organic matter which serves as a reservoir of nutrients and water in the soil, aids in reducing compacting and surface crusting and increases water infiltration into the soil.

4 views Answered 2023-02-05 15:29