Unilorin Post-UTME Agricultural Science 2024 (Model questions) Question 2

Question 2

Soil Properties

Which of the following has the highest capacity to retain nutrients?

  1. A.Gravel
  2. B.Sand
  3. C.Silt
  4. D.Clay
Show the answer and explanation

Answer: D (Clay)

Explanation

Clay has the finest particles and the largest surface area, and its charged surfaces hold on to nutrient ions, so it retains nutrients best.