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Soils by Mind Map: Soils

1. Soil types

1.1. Forest soil

1.2. Dessert soil

1.3. Tropical Grassland soil

1.4. Grassland soil

2. Is made of

2.1. Sand

2.2. Silt

2.3. Clay

3. Weathered Rocks

3.1. Sand

3.2. Silt

3.3. Clay

4. Organic Matter

4.1. Organic matter is left over like plants, animals, and other waste.

5. discretion of Soil

5.1. Soft

5.2. Grainy

5.3. easy to break through

5.4. can feel sandy

6. Layers of soil

6.1. bed rock

6.2. top soil

6.3. sub soil

6.4. weathered rocks

6.5. humas

7. whats in soil?

7.1. Sand

7.2. Silt

7.3. Clay

8. Why does soil need organic matter?

8.1. Soil needs Organic Matter because it gives it Nutrient's.

9. What does soil need to survive?

9.1. Air

9.2. Water

9.3. Nutrients

9.4. Sunlight

10. What is in Fertilizer?

10.1. phosphorus

10.2. potassium

10.3. Nitrogen