Gce Model Questions Vol1 2023 Geography Question 18
Practice objective / multiple choice question 18 from the 2023 Gce Model Questions Vol1 Geography examination.
A crop yield (tonnes ha\(^{-1}\)) varies with nitrogen fertilizer rate \(N\) (kg ha\(^{-1}\)) according to \(Y = 0.02N - 0.0001N^{2} + 3\).\n(a) Determine the nitrogen rate that maximises yield.\n(b) Calculate the maximum attainable yield.\n(c) If the farmer can only apply 120 kg ha\(^{-1}\), what is the percentage reduction in yield relative to the maximum (rounded to the nearest whole percent)?\nGive your answers as three numbers separated by semicolons: optimal \(N\) (kg ha\(^{-1}\)); maximum yield (t ha\(^{-1}\)); percentage loss (%).
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About This Question
This is Gce Model Questions Vol1 2023 Geography Question 18. It is one of the objective questions from the 2023 Gce Model Questions Vol1 Geography examination.
Difficulty level: Hard .
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