Neco 2023 Agricultural Science Question 10
Practice objective / multiple choice question 10 from the 2023 Neco Agricultural Science examination.
A forest stand follows the logistic growth model\n\( V(t)=\dfrac{K}{1+ae^{-bt}} \)\nwhere \(K=200\ \text{m}^3\!\!/\text{ha}\) is the carrying capacity, \(b=0.25\ \text{yr}^{-1}\) and the constant \(a\) is fixed by the condition that at age \(t=5\) yr the stand volume is \(30\ \text{m}^3\!\!/\text{ha}\). The manager wants the rotation age \(T\) that maximizes the average annual increment\n\( \text{AAI}(T)=\dfrac{V(T)}{T}. \)\nFind the integer rotation age (in years) that gives the maximum AAI and give that maximum AAI value (to one decimal place).
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About This Question
This is Neco 2023 Agricultural Science Question 10. It is one of the objective questions from the 2023 Neco Agricultural Science examination.
Difficulty level: Hard .
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