Waec Model Questions Vol1 2019 Agricultural Science Question 11
Practice objective / multiple choice question 11 from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
A farmer uses a plough that can be set to three depths: 10 cm, 15 cm or 20 cm. The field (2 ha) has loamy soil. For loamy soil, each additional 5 cm depth increases the crop yield by 8% of the base yield, but the fuel consumption rises by 0.5 litre per hectare for each 5 cm increase. The farmer has only 3 litres of diesel available for the whole field. What plough depth should be chosen to obtain the greatest possible yield increase without exceeding the fuel limit?
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About This Question
This is Waec Model Questions Vol1 2019 Agricultural Science Question 11. It is one of the objective questions from the 2019 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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