Gce Model Questions Vol1 2025 Agricultural Science Question 42
Practice objective / multiple choice question 42 from the 2025 Gce Model Questions Vol1 Agricultural Science examination.
A 5‑ha maize field has a potential yield of 6 t ha\(^{-1}\). The economic injury level (EIL) for fall armyworm is 5 larvae plant\(^{-1}\). Current scouting shows an average of 7 larvae plant\(^{-1}\). Each larva causes a yield loss of 0.8 %. A pesticide costs ₦250 L\(^{-1}\) and must be applied at 2 L ha\(^{-1}\). The pesticide reduces the larval population by 85 % and the market price of maize is ₦120 kg\(^{-1}\). Should the farmer apply the pesticide on economic grounds? State "Justified" or "Not justified".
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This is Gce Model Questions Vol1 2025 Agricultural Science Question 42. It is one of the objective questions from the 2025 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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