Neco 2019 Geography Question 36
Practice objective / multiple choice question 36 from the 2019 Neco Geography examination.
A soil sample contains 45 % sand, 35 % silt and 20 % clay. The field capacity (FC) in mm per cm depth is estimated by \( \text{FC}=0.2(\% \text{clay})+0.1(\% \text{silt}) \) and the wilting point (WP) by \( \text{WP}=0.1(\% \text{clay})+0.05(\% \text{silt}) \). Determine the available water capacity (AWC) for a 30 cm deep soil layer in millimetres.
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About This Question
This is Neco 2019 Geography Question 36. It is one of the objective questions from the 2019 Neco Geography examination.
Difficulty level: Medium .
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