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WAEC Agricultural Science 2007 Question 17

Question 17

Soil Erosion and Conservation

Use the information: I. Burning of trash; II. Slashing of undergrowth; III. Seed bed preparation; IV. Soil tillage. Which of the following practices will enhance loss of soil water?

  1. A.I and II
  2. B.II and III
  3. C.III and IV
  4. D.I and IV.
Show the answer and explanation

Answer: A (I and II)

Explanation

Burning and slashing remove plant cover, exposing soil to sun and drying.