Neco 2022 Agricultural Science Question 26
Practice objective / multiple choice question 26 from the 2022 Neco Agricultural Science examination.
A farmer monitors a maize field for stem borer. The initial pest count is 120 per hectare and the population increases by \(40\%\) each week. The economic injury level (EIL) is \(300\) pests per hectare. An insecticide reduces the pest count by \(70\%\) instantly. The farmer wants to apply the insecticide at the latest possible week so that the pest count never exceeds the EIL in any subsequent week, assuming the population continues to grow at \(40\%\) per week after treatment. After how many weeks from now should the insecticide be applied at the latest?
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About This Question
This is Neco 2022 Agricultural Science Question 26. It is one of the objective questions from the 2022 Neco Agricultural Science examination.
Difficulty level: Medium .
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