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JAMB Biology 2002 Question 19

Question 19

Soil

The addition of lime to clayey soil serves to

  1. A.aid water retention
  2. B.close up the texture
  3. C.prevent water-logging
  4. D.improve capillary action
Show the answer and explanation

Answer: C (prevent water-logging)

Explanation

Lime makes the fine clay particles stick together into larger crumbs. The soil gets bigger air spaces, drains better and does not become water-logged.