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WAEC Agricultural Science 2009 Question 26

Question 26

Farming Systems

In crop rotation, deep-rooted crops should follow shallow-rooted crops because deep-rooted crops

  1. A.are resistant to diseases
  2. B.are early-maturing
  3. C.feed from different soil layers
  4. D.attract different kinds of pests
Show the answer and explanation

Answer: C (feed from different soil layers)

Explanation

Deep roots use nutrients lower down that the shallow-rooted crop did not use.