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WAEC Agricultural Science 1993 Question 6

Question 6

Soil Erosion and Conservation

Which of the following is the best way to reduce surface run-off on farmlands?

  1. A.Adding more clay to the soil
  2. B.Providing adequate plant cover
  3. C.Planting across the slope
  4. D.Planting annual crops
  5. E.Erecting strong fences round the farm.
Show the answer and explanation

Answer: B (Providing adequate plant cover)

Explanation

Plant cover breaks the force of rain and slows water flowing over the surface.