Neco Model Questions Vol1 2020 Agricultural Science Question 16
Practice objective / multiple choice question 16 from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
Species Y in a plantation follows the volume growth function \(V(t)=0.6t^{2}-4t+20\) (m³ per hectare), where \(t\) is the age in years (\(t\ge 5\)). For a sustainable yield the average annual increment (AAI) must be at least \(5\) m³ ha\(^{-1}\) yr\(^{-1}\). The AAI is defined as \(\dfrac{V(t)}{t}\). Determine the minimum integer rotation age \(t\) (in years) that satisfies this condition.
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About This Question
This is Neco Model Questions Vol1 2020 Agricultural Science Question 16. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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