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THE SOIL. Soils are complex mixtures of minerals, water, air, organic matter.

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Presentation on theme: "THE SOIL. Soils are complex mixtures of minerals, water, air, organic matter."— Presentation transcript:

1 THE SOIL

2 Soils are complex mixtures of minerals, water, air, organic matter.

3 The soil is the “skin of the earth”.

4 Soil is the most vital element required for food production.

5 Sandy: Large particles, less water retention, easily crumbles through the fingers. Clay: fine particles, Smooth when dry, Sticky when wet, Rich in nutrients. Loam: Retains water, Retains nutrients, Soft and crumbly.

6 Sandy clay loamy

7 We can use the soil to build a house, for planting, to sculpture

8 We have to recycle, clean and plant trees

9


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