Gce Model Questions Vol1 2018 Agricultural Science Question 15
Practice objective / multiple choice question 15 from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
A forest stand grows according to the volume function\n\[V(t)=0.05t^{3}-0.6t^{2}+3t\quad(\text{m}^{3}\,\text{ha}^{-1}),\]\nwhere \(t\) is the age in years (\(0\le t\le30\)). Wood contains \(0.9\) t CO₂ per cubic metre. The stand is harvested at age \(T\) years, after which the site is replanted and the cycle repeats indefinitely.\nDetermine the integer rotation age \(T\) (in years) that maximises the average annual carbon sequestration (tonnes CO₂ ha⁻¹ yr⁻¹) over the infinite rotation, and give the corresponding maximum average sequestration value.
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This is Gce Model Questions Vol1 2018 Agricultural Science Question 15. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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