Question

What do you mean by topsoil? what are the constituents of top soil?

Answer 1

Top soil- It is the fertile upper layer of the soil that contains humus which is useful for the nutrient completion of the plants.

Constituents of the top soil:

The top soil is made up of-

1. Mineral particles.
2. Humus.
3. Soil water.
4. Soil air.
5. Living organism.