Waec Model Questions Vol1 2023 Agricultural Science Question 40
Practice objective / multiple choice question 40 from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
A farmer intends to plant soybeans on 3 ha. The recommended seed rate is 80 kg ha⁻¹, but he decides to increase it by 15 % to improve stand. The fertilizer recommendation is 120 kg N ha⁻¹, and the farmer will use a blend that contains 30 % N. (a) Calculate the total amount of this fertilizer (in kg) the farmer must purchase. (b) If each 10 % increase in seed rate above the recommendation raises yield by 5 % over a base yield of 2.5 t ha⁻¹, estimate the expected total grain yield (in tonnes) from the 3 ha field.
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About This Question
This is Waec Model Questions Vol1 2023 Agricultural Science Question 40. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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