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WAEC Agricultural Science 2012 Question 13

Question 13

Soil Erosion and Conservation

Which of the following factors should be considered in selecting cover crops? The cover crops must
I. be easy to propagate.
II. compete with the main crops.
III. have roots capable of binding soils.
IV. be slow growing.

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

Answer: C (I and III only)

Explanation

A good cover crop establishes easily, grows fast and binds the soil without competing with the main crop.