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Soil by Mind Map: Soil

1. Is made of

1.1. Clay, Sand, and Silt

2. Organic Matter

2.1. Nitrogen

2.2. Phospherus

2.2.1. Potassium

3. Weathered Rocks

3.1. Sand

3.1.1. Silt

3.1.1.1. Clay

3.1.1.1.1. Rocks

4. types

4.1. Desert Soil

4.2. Grassland Soil

4.3. Forest Soil

4.4. Tropical Soil

5. Descriptions

5.1. Good soil has nitrogen, phosphorus, and potassium.

5.2. Bad soil would not of a lot of nitrogen, phosphorus, and potassium.

6. Layers

6.1. Topsoil

6.2. Subsoil

6.3. Parent Material

6.4. Bedrock

7. Texture

7.1. Good soil would be soft and woody

7.2. Bad soil would be hard and sandy

8. Color

8.1. Good soil would be dark brown

8.2. Bad soil would be light gray