Waec Model Questions Vol1 2019 Agricultural Science Question 31
Practice objective / multiple choice question 31 from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
A forest area of 1 ha is harvested at a chosen rotation age. The timber volume (in m³ per hectare) at ages 20, 30 and 40 years is 200, 300 and 340 respectively. After each harvest a fallow period of 4 years is required before re‑planting, during which no timber is produced. Timber sells for $120 per m³ and the cost of re‑planting is $500 per hectare, incurred at the start of each rotation. Which rotation age (20, 30 or 40 years) gives the highest average annual net income (net income per year over the whole cycle including fallow)?
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About This Question
This is Waec Model Questions Vol1 2019 Agricultural Science Question 31. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Hard .
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