Waec Model Questions Vol1 2018 Agricultural Science Question 38
Practice objective / multiple choice question 38 from the 2018 Waec Model Questions Vol1 Agricultural Science examination.
In a two‑year crop rotation, a legume crop adds 25 kg N ha⁻¹ to the soil from the soil itself and fixes an additional 10 kg N ha⁻¹ from the atmosphere. The following year a maize crop removes 15 kg N ha⁻¹ from the soil. Over the complete rotation, what is the net change in soil nitrogen (in kg ha⁻¹)?
Answer Options
About This Question
This is Waec Model Questions Vol1 2018 Agricultural Science Question 38. It is one of the objective questions from the 2018 Waec Model Questions Vol1 Agricultural Science examination.
Difficulty level: Easy .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.