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WAEC Agricultural Science 1994 Question 10

Question 10

Soil Fertility and Plant Nutrition

Prolonged application of ammonium sulphate fertilizer on a given soil can lead to the

  1. A.decay of tuber and root crops
  2. B.increase in beneficial soil micro-organisms
  3. C.increase in soil acidity
  4. D.damage of soil structure
  5. E.increase in the alkalinity of soil.
Show the answer and explanation

Answer: C (increase in soil acidity)

Explanation

Ammonium sulphate leaves acid residues, so the soil becomes more acidic.