Neco 2025 Agricultural Science Question 39
Practice objective / multiple choice question 39 from the 2025 Neco Agricultural Science examination.
A farmer practices a four‑year crop rotation: Year 1 - maize (requires \(120\) kg N/ha), Year 2 - a legume that fixes \(80\) kg N/ha but loses \(20\%\) of the fixed nitrogen to leaching, Year 3 - maize again, Year 4 - fallow (no crop). Calculate the net nitrogen balance (in kg N/ha) after the complete cycle.
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About This Question
This is Neco 2025 Agricultural Science Question 39. It is one of the objective questions from the 2025 Neco Agricultural Science examination.
Difficulty level: Medium .
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