WAEC Agricultural Science 2005 Question 15

Question 15

Soil Fertility and Plant Nutrition

Which of the following materials can be applied to the soil in order to correct yellowing of leaves?

  1. A.Lime
  2. B.Urea
  3. C.Gypsum
  4. D.Bone meal.
Show the answer and explanation

Answer: B (Urea)

Explanation

Yellow leaves usually mean nitrogen shortage; urea supplies nitrogen.