Neco Model Questions Vol1 2021 Agricultural Science Question 43
Practice objective / multiple choice question 43 from the 2021 Neco Model Questions Vol1 Agricultural Science examination.
In a maize field of 1 ha, plants are spaced 0.25 m × 0.25 m. The expected yield is 4 t ha⁻¹ and the market price is ₦180 per kg. Each insect per plant causes a 0.015 % loss of the yield of that plant. The cost of applying an insecticide is ₦150 per hectare. What is the minimum number of insects per plant at which it becomes economically justified to apply the insecticide? (Round up to the nearest whole insect.)
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About This Question
This is Neco Model Questions Vol1 2021 Agricultural Science Question 43. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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