Gce Model Questions Vol1 2019 Agricultural Science Question 1
Practice objective / multiple choice question 1 from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
A 10‑ha forest is planted with a fast‑growing species. The initial annual volume growth is 2.5 m³ ha⁻¹ yr⁻¹ and declines by 5 % each successive year. After 5 years a thinning removes 20 % of the standing volume and reduces all subsequent annual growth rates by an additional 10 %. Assuming the declining growth pattern continues after thinning, calculate (a) the total standing timber volume after 12 years (in m³) and (b) the average annual increment over the 12‑year period (in m³ yr⁻¹).
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About This Question
This is Gce Model Questions Vol1 2019 Agricultural Science Question 1. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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