In this topic, you will explore soils as living records of environmental history. You will learn how to “read” soil profiles, how researchers extract intact sections of soils called monoliths, and discover the key factors and processes that shape soils around the world. Step by step, you will begin to see soils not as static ground beneath you, but as dynamic systems - formed over centuries and deeply connected to the landscapes and ecosystems they support. When you learn how to read soils, you can identify their properties, functions, and the environmental conditions in which they formed. This knowledge helps assess whether a soil is suitable for agriculture, land management, construction, and the soil services it can provide.
After completing this topic, you will be able to…
- Describe how soils vary around the world.
- Explain why soils vary using the five soil-forming factors.
- Recognize key visible features in soil profiles.
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