27.9. Infiltration in Arid and Semi-Arid Regions

Try these first

1. 1.

   What is a soil crust?

   Hint

   Think about the texture of the soil surface.

2. 2.

   Name one benefit of mulching.

   Hint

   Consider what happens to water when soil is covered.

3. 3.

   What effect does soil crust have on infiltration?

   • Increases infiltration
   • Decreases infiltration
   • No effect

   Hint

   Think about how hard surfaces behave when water is applied.

4. 4.

   Contour bunding helps to:

   • True
   • False

   Hint

   Consider the purpose of contouring in landscaping.

5. 5.

   Assess the potential effects of climate change on infiltration rates in arid regions, considering current management practices.

   Hint

   Think about how climate influences both weather patterns and soil health.

6. 6.

   Design a small-scale irrigation plan for a desert farm, incorporating contour bunding and check dams. Explain how these features will improve water usage.

   Hint

   Consider how water management directly affects agricultural viability.