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WAEC Agricultural Science 1993 Question 15

Question 15

Soil Fertility and Plant Nutrition

Which of the following processes will not lead to the loss of nutrients from the soil?

  1. A.Erosion
  2. B.Mulching
  3. C.Harvesting
  4. D.Burning
  5. E.Leaching.
Show the answer and explanation

Answer: B (Mulching)

Explanation

Mulch adds organic matter and protects soil; the others remove nutrients.