1. RHS - Soil Texture
Tutor – Mike Tanti

2. Soil types – why is it important to know?
How they react when wet or dry
How they drain
How they react to maintenance practices e.g. aeration, irrigation

3. 3 components of soil minerals
___________

4. 3 components of soil minerals
Sand
Silt
Clay

5. Soil particle size

6. Soil texture How it feels to touch.
Soil particle size relates to its soil texture
11 categories in Soil texture triangle

7. Soil texture Grittiness roughly indicates __________
Silkiness roughly indicates __________
Stickiness roughly indicates _________

8. Soil texture Grittiness roughly indicates sand
Silkiness roughly indicates silt
Stickiness roughly indicates clay

9. Soil classification Sand Loamy sand Sandy loam Sandy silt loam
Sandy clay loam
Silty clay loam
Clay loam
Sandy clay
Silty clay
Clay

11. Activity 1 - Soil texture test
Palm full of soil
Slowly wet soil (not soaked)
Knead between fingers and thumbs
Lumps broken down
Get rid of stones, organic matter
Compare with soil texture chart

12. Activity 2 – Find the soil texture

13. Self Assessment What is meant by soil texture?
How do we measure soil texture?
What are the 4 components of soil?