Waec Model Questions Vol1 2024 Agricultural Science Question 24
Practice objective / multiple choice question 24 from the 2024 Waec Model Questions Vol1 Agricultural Science examination.
A maize field of 2.5 ha is infested with stem borer. The recommended pesticide dosage is 0.75 L per ha of a formulation that contains 200 g L⁻¹ of active ingredient. The farmer decides to apply the pesticide in two equal splits 15 days apart. (a) What volume of pesticide solution should be mixed for each application? (b) If the harvested grain weight is 5 000 kg per ha, does the total amount of active ingredient applied stay within the maximum residue limit of 0.02 mg kg⁻¹ (assume 100 % of the active ingredient remains on the grain)?
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About This Question
This is Waec Model Questions Vol1 2024 Agricultural Science Question 24. It is one of the objective questions from the 2024 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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