Soil

1. Particles are the largest, feel gritty, and allow water to drain quickly.
3. The organic component of soil, formed by the decomposition/decaying of plants and animals material by soil microorganisms.
5. Particles are smaller than sand, creating a smooth, flour-like texture.
7. This zone consists of broken down rock and often contain clay materials.
8. A balanced mix of sand, silt, and clay, offering good drainage, aeration, water retention, and nutrient availability, making them ideal for most plant growth.
9. Extremely fine and tightly packed, giving the soil a sticky, smooth feel when wet.

1. It may consist of clay or sand particles. Normally from 30 cm to 120 cm below the surface.
2. Plays a vital role in enhancing soil health by retaining moisture and providing nutrients
4. The original rock from which younger rock or soil is formed.
6. This is the soil which nourishes the roots of plants, and which is cultivated. It contains organic matter called humus.