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WAEC Agricultural Science 1988 Question 9

Question 9

Soil Erosion and Conservation

Which of the following farm practices can prevent excessive evaporation from soil surfaces?

  1. A.Liming
  2. B.Mulching
  3. C.Weeding
  4. D.Harrowing
  5. E.Ploughing
Show the answer and explanation

Answer: B (Mulching)

Explanation

A mulch covers the soil, shading it and cutting down evaporation of soil water.