Neco Model Questions Vol1 2023 Agricultural Science Question 7
Practice essay / theory question 7 from the 2023 Neco Model Questions Vol1 Agricultural Science examination. This question covers Crop Pests .
A farmer cultivates 5 ha of maize. During a scouting visit, 12% of the plants show typical symptoms of the stem borer (Chilo partellus). The average yield loss per infested plant is estimated at 0.15 kg of grain. The market price of maize is ₦120 per kg. The cost of applying the recommended dose of the insecticide (0.5 L of formulation per ha at ₦250 per litre) is ₦125 per ha (including labour). The economic injury level (EIL) for this pest is given by EIL = C / (V × I), where C is the cost of control per ha, V is the market value per kg, and I is the yield loss per infested plant (kg).
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This is Neco Model Questions Vol1 2023 Agricultural Science Question 7. It is one of the essay questions from the 2023 Neco Model Questions Vol1 Agricultural Science examination.
The question covers Crop Pests .
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