Gce Model Questions Vol1 2019 Agricultural Science Question 42
Practice objective / multiple choice question 42 from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
A 2‑ha wheat field shows a leaf‑rust severity of 30 % (percentage of leaf area infected). The recommended fungicide application rate is 0.5 L ha⁻¹ for each 10 % severity. Each litre of the fungicide reduces the severity uniformly by 5 percentage points across the treated area. The farmer has a 25 L drum of fungicide. What is the maximum area (in hectares, to two decimal places) that can be treated so that the severity on the treated area falls below 10 %?
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About This Question
This is Gce Model Questions Vol1 2019 Agricultural Science Question 42. It is one of the objective questions from the 2019 Gce Model Questions Vol1 Agricultural Science examination.
Difficulty level: Medium .
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