Neco 2023 Agricultural Science Question 42
Practice objective / multiple choice question 42 from the 2023 Neco Agricultural Science examination.
A soil sample consists of 20\% clay, 5\% organic matter and the remainder sand. The cation exchange capacity (CEC) of the clay fraction is 30 cmolc kg\(^{-1}\) and that of the organic matter is 150 cmolc kg\(^{-1}\). Assuming sand contributes negligible CEC, calculate the overall CEC of the soil in cmolc kg\(^{-1}\).
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About This Question
This is Neco 2023 Agricultural Science Question 42. It is one of the objective questions from the 2023 Neco Agricultural Science examination.
Difficulty level: Easy .
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