MCQ
Which one of the following statement is correct about soil?
- A$B-$horizon of soil contains maximum amount of humus
- B$C-$horizon of soil contains maximum amount of humus
- ✓$A-$horizon of soil contains maximum amount humus
- DNone of these
The uppermost horizon is generally dark in colour as it is rich in humus and minerals. The humus makes the soil fertile and provides nutrients to growing plants. This layer is generally soft, porous and can retain more water.
It is called the topsoil or A-horizon of the soil.
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