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6 marksEnvironmental Impacts and Threats to Agriculture

CAPE Environmental Science Unit 2 · 2008 · Paper 2 · Question 3(a)

Residents in Toco Village have observed increased soil erosion and degraded water quality due to hillside farming practices. Farmers have monocropped for years and report decreasing yields and higher pest infestation.

Explain, using SIX points, why the agricultural extension officer stated that hillside farming practices were responsible for increased soil erosion and water quality degradation.

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Other parts of this question

  1. 3(b)Justify, using SIX points, the advice given to farmers to practise crop rotation in order to improve yields and reduce pest infestation.[6 marks]
  2. 3(c)(i)Name ONE soil conservation method suitable for hillside farmers in Toco Village.[1 mark]
  3. 3(c)(ii)Briefly describe the soil conservation method named in (c)(i) and explain the role it plays in soil conservation.[3 marks]
  4. 3(d)(i)Outline TWO features of no-tillage farming.[2 marks]
  5. 3(d)(ii)Outline why no-tillage farming is effective in reducing soil erosion.[2 marks]

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