Neco Model Questions Vol1 2017 Agricultural Science Question 16
Practice objective / multiple choice question 16 from the 2017 Neco Model Questions Vol1 Agricultural Science examination.
A farmer has a \(1.5\)-hectare field with a topsoil depth of \(20\) cm and a bulk density of \(1.2\) g cm\(^{-3}\). The soil currently contains \(0.1\%\) nitrogen by weight. The farmer wants to raise the nitrogen content to \(0.15\%\) by applying urea, which is \(46\%\) nitrogen by mass. How many kilograms of urea must be applied?
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About This Question
This is Neco Model Questions Vol1 2017 Agricultural Science Question 16. It is one of the objective questions from the 2017 Neco Model Questions Vol1 Agricultural Science examination.
Difficulty level: Easy .
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