Soils

1. Soil Layers

1.1. Topsoil

1.1.1. Usually known as top 2 inches of soil...

1.1.2. Contains many important minerals for plant life...

1.2. Subsoil

1.3. Parent Material

1.4. Bedrock

2. Descriptions

2.1. Constence

2.1.1. Loose

2.1.2. Friable

2.1.3. Firm

2.2. Texture

2.2.1. Silky

2.2.2. Grainy

2.2.3. Sticky

2.3. Soil Colors

2.3.1. Yellowish-Brown

2.3.2. Grayish-Brown

2.3.3. Reddish-Brown

2.3.4. Chocolate-Brown

3. Soil Composition

3.1. Composition...

3.1.1. sand

3.1.2. silt

3.1.3. clay

3.1.4. Rocks

3.2. Organic Matter

4. Soil Words

4.1. Soil

4.2. Sand

4.3. Silt

4.4. Organic Matter

4.4.1. More info...

4.5. Clay

4.6. Nutrients

4.7. Weathering

4.8. Consistence

4.9. Texture

5. Organic Matter

5.1. Made of things left behind from dead plants

5.2. Made up of old animal waste.

5.3. Also known as NOM.

5.3.1. NOM is abbreviation

5.4. Breaks down into nutrients...

5.4.1. Releases Nitrogen and Sulfur.