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

THE SOIL

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

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

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

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.

Sandy clay loamy

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

We have to recycle, clean and plant trees