WAEC Agricultural Science 2007 Question 7

Question 7

Soil Fertility and Plant Nutrition

Which of the following materials cannot be used for liming?

  1. A.Gypsum
  2. B.Basic slag
  3. C.Chalk
  4. D.Urea.
Show the answer and explanation

Answer: D (Urea.)

Explanation

Urea is a nitrogen fertilizer and makes soil more acidic.