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WAEC Agricultural Science 2017 Question 21

Question 21

Land Preparation and Cultural Practices

If rows of crops are spaced 1.0 m apart with one seed sown per stand, determine the spacing between stands to obtain a plant population of 40,000 plants per hectare.

  1. A.0.25 m.
  2. B.0.45 m.
  3. C.0.50 m.
  4. D.1.00 m.
Show the answer and explanation

Answer: A (0.25 m.)

Explanation

Area per plant = 10,000 m² ÷ 40,000 = 0.25 m²; divide by the 1.0 m row width to get 0.25 m.