Neco Model Questions Vol1 2025 Geography Question 13
Practice objective / multiple choice question 13 from the 2025 Neco Model Questions Vol1 Geography examination.
A farmer cultivates maize on 10 ha. The expected yield without fertilizer is \(2.5\ \text{t\ ha}^{-1}\). Applying nitrogen fertilizer increases the yield by \(0.8\ \text{t}\) per ha for each 50 kg of N applied per ha. Each 50 kg of N costs ₦500. The market price of maize is ₦2 000 per tonne. The farmer wishes to achieve a total profit of at least ₦500 000 after deducting the cost of fertilizer. Assuming the farmer applies the same amount of nitrogen uniformly over the whole area, what is the minimum amount of nitrogen (in kg per ha) that must be applied?
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This is Neco Model Questions Vol1 2025 Geography Question 13. It is one of the objective questions from the 2025 Neco Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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