Neco 2020 Agricultural Science Question 22
Practice objective / multiple choice question 22 from the 2020 Neco Agricultural Science examination.
In a field the total nitrogen input is \(120\\ \text{kg\,ha}^{-1}\). Leguminous crops contribute 25\% of this nitrogen by fixation. The remaining nitrogen is supplied by a synthetic fertilizer that contains 0.80\\ \text{kg}\ of nitrogen per kilogram of fertilizer. How many kilograms of synthetic fertilizer are required per hectare?
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About This Question
This is Neco 2020 Agricultural Science Question 22. It is one of the objective questions from the 2020 Neco Agricultural Science examination.
Difficulty level: Easy .
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