WAEC Agricultural Science 2009 Question 15

Question 15

Soil Fertility and Plant Nutrition

Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?

  1. A.Ammonium nitrate
  2. B.Lime
  3. C.Urea
  4. D.Single superphosphate
Show the answer and explanation

Answer: B (Lime)

Explanation

Sulphate of ammonia makes the soil acidic over time; lime neutralises the acidity.