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WAEC Agricultural Science 2006 Question 15

Question 15

Soil Fertility and Plant Nutrition

The plant nutrient essential for the formation of tubers is

  1. A.molybdenum
  2. B.phosphorus
  3. C.potassium
  4. D.sodium
Show the answer and explanation

Answer: C (potassium)

Explanation

Potassium helps form and move starch, which fills tubers.