Neco Model Questions Vol1 2021 Agricultural Science Question 28
Practice objective / multiple choice question 28 from the 2021 Neco Model Questions Vol1 Agricultural Science examination.
In a maize field the stem‑borer causes a yield loss of 0.5 % per larva per plant. The expected yield without pest damage is 5 000 kg per hectare and maize sells for ₦150 per kg. The cost of applying an insecticide is ₦12 000 per hectare and it reduces the larval population by 80 %. Determine the economic injury level (EIL), i.e., the number of larvae per plant at which the cost of control equals the value of the loss avoided.
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About This Question
This is Neco Model Questions Vol1 2021 Agricultural Science Question 28. It is one of the objective questions from the 2021 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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