Neco 2017 Agricultural Science Question 33
Practice objective / multiple choice question 33 from the 2017 Neco Agricultural Science examination.
A 2‑ha tomato field is initially infested with \(1{,}200\) insects per hectare. The pest reproduces at a rate of 1.5 (each insect produces 1.5 new insects per week). A pesticide applied at the beginning of a week kills 80% of the existing population instantly. The economic injury level (EIL) is \(2{,}000\) insects per hectare. Assuming no other mortality, determine the minimum number of weekly pesticide applications required at the start of the season to keep the pest population at or below the EIL throughout a 6‑week growing period.
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About This Question
This is Neco 2017 Agricultural Science Question 33. It is one of the objective questions from the 2017 Neco Agricultural Science examination.
Difficulty level: Medium .
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