WAEC Agricultural Science 2008 Question 12

Question 12

Farming Systems

Which of the following crops should be planted on a piece of land that has been repeatedly cropped with maize?

  1. A.Guinea corn
  2. B.Millet
  3. C.Rice
  4. D.Cowpea.
Show the answer and explanation

Answer: D (Cowpea.)

Explanation

A legume like cowpea restores nitrogen and breaks the cereal pest cycle.