Managing the Effects of Soil Erosion (Grade 11 NSC Matric Geography): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What approach does the Dept of Agriculture say is needed to manage soil erosion effectively?
What approach does the Dept of Agriculture say is needed to manage soil erosion effectively?
Political, economic & technical changes
How does land reform help manage soil erosion?
How does land reform help manage soil erosion?
Divides land to reduce pressure on plots
Which farmers particularly benefit from financial incentives for soil conservation?
Which farmers particularly benefit from financial incentives for soil conservation?
Small-scale & subsistence farmers
What is contour ploughing?
What is contour ploughing?
Ploughing that follows natural contours
By how much can contour ploughing reduce soil loss?
By how much can contour ploughing reduce soil loss?
Up to 50%
What is the main purpose of wind breaks and shelter belts?
What is the main purpose of wind breaks and shelter belts?
Reduce wind force that blows away topsoil
What does strip cropping involve?
What does strip cropping involve?
Alternating crop strips with grass cover
Where is terracing particularly valuable for erosion control?
Where is terracing particularly valuable for erosion control?
On steep slopes
What harmful practice should be avoided near riverbanks?
What harmful practice should be avoided near riverbanks?
Ploughing right up to water edges
How do wetlands help manage soil erosion?
How do wetlands help manage soil erosion?
Act as buffers slowing flow & trap sediment