Waec Model Questions Vol1 2020 Geography Question 13
Practice objective / multiple choice question 13 from the 2020 Waec Model Questions Vol1 Geography examination.
A farmer's field has a uniform soil profile 0.90 m deep. The bulk density of the soil is 1.4 g cm⁻³. The volumetric field capacity is 28 % and the wilting point is 12 %. The crop to be grown requires a total of 200 mm of water during the growing season. Assuming the soil is initially at field capacity, determine (a) the depth of irrigation water (in mm) that must be applied to meet the crop's water requirement, given that only 70 % of the applied water is effectively stored in the root zone, and (b) the percentage of the total water requirement that must be supplied by irrigation.
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About This Question
This is Waec Model Questions Vol1 2020 Geography Question 13. It is one of the objective questions from the 2020 Waec Model Questions Vol1 Geography examination.
Difficulty level: Medium .
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