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WAEC Agricultural Science 2022 Question 22

Question 22

Land Preparation and Cultural Practices

If maize seeds are sown at a spacing of 60 cm by 90 cm, what is the plant population of maize expected on one hectare of farmland?

  1. A.18,519 plants
  2. B.16,667 plants
  3. C.11,111 plants
  4. D.5,400 plants
Show the answer and explanation

Answer: A (18,519 plants)

Explanation

10,000 ÷ (0.6 × 0.9) = 10,000 ÷ 0.54 = 18,519.