DESERTIFICATION

Question 1

What is desertification?

Answer 1

• The process by which fertile land becomes desert (as a result of deforestation, drought or soil erosion)

Question 2

PLANT TREES

Answer 2

• Roots bind to the soil
• Leaves provide shade and interception
• Cheap and long term
• Provides wood and building material/fuel

Question 3

TERRACING

Answer 3

• Prevents rainfall from washing away the topsoil and the nutrients
• Cheap to build, as only man-power needed

Question 4

MAGIC STONES

Answer 4

• Stones are placed on contours
• Topsoil can’t be washed past the stones
• Water infiltrates instead of flowing over
• Cheap, only man-power needed
• Increases yield by 50%