Soil

1. Layers

1.1. Organic Soil

1.2. Top Soil

1.3. Sub Soil

1.4. Parent Material

1.5. Bedrock

2. Descriptions

2.1. Brown

2.2. Loose

2.3. Thick

3. Texture

3.1. Rough

3.2. Sandy

3.3. Wet

3.4. Damp

3.5. Hard

3.6. Soft

3.7. Sandy

3.8. Rocky

4. Is Made Of

4.1. Organic Matter

4.1.1. Made Of

4.1.1.1. Nutrients

5. Types

5.1. Desert

5.2. Forest

5.3. Grassland

5.4. Tropical Grassland