Neco Model Questions Vol1 2024 Geography Question 48
Practice objective / multiple choice question 48 from the 2024 Neco Model Questions Vol1 Geography examination.
A soil sample contains 30 % sand, 45 % silt and 25 % clay. Its water‑holding capacity (WHC) in millimetres can be approximated by \(\text{WHC}=0.1\times\%\text{sand}+0.2\times\%\text{silt}+0.4\times\%\text{clay}\). Field capacity is 80 % of WHC.\n(a) Calculate the field capacity (in mm).\n(b) A farmer wants to irrigate a 2‑hectare field of this soil to field capacity. One millimetre of water over 1 ha equals 10 000 L (or 10 m³). Determine the total volume of water required (in cubic metres).
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This is Neco Model Questions Vol1 2024 Geography Question 48. It is one of the objective questions from the 2024 Neco Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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