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WAEC Agricultural Science 2013 Question 14

Question 14

Soil Fertility and Plant Nutrition

Plant nutrients are restored during the fallow period through

  1. A.reduced soil erosion.
  2. B.accumulation of soil organic matter.
  3. C.reduced evaporation from the soil.
  4. D.accumulation of farmyard manure.
Show the answer and explanation

Answer: B (accumulation of soil organic matter.)

Explanation

Leaves and plant remains build up and decompose, returning nutrients.