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WAEC Agricultural Science 1992 Question 15

Question 15

Soil Fertility and Plant Nutrition

A soil with low pH value can be improved by the addition of

  1. A.ammonium sulphate
  2. B.calcium carbonate
  3. C.sodium chloride
  4. D.sodium nitrate
  5. E.magnesium phosphate.
Show the answer and explanation

Answer: B (calcium carbonate)

Explanation

Low pH means acid soil; liming with calcium carbonate neutralises it.