Essential Soil texture and Structure

Question 1

How is soil formed?

Answer 1

• Over long periods of time via…
• Weathering of rock materials
• Decomposition and accumulation of Organic materials

Question 2

What factors will determine the type of soils?

Answer 2

1. Parent Material
2. Climate
3. Vegetation
4. Landscape position & Topography
5. The timing for which these forces acted.

Question 3

List and define the different soil Horizons…

Answer 3

• Horizon A

Topsoil, containing most OM

• B & C Horizon

Subsoil, Less OM less fertile, declining biological activity.