Which of the following has the minimum humus?
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Grey-desert soil
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Red-desert soil
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Chestnut soil
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Chernozom
B
Correct answer
Explanation
Red desert soils have the minimum humus content among the options listed. These soils are found in arid regions with low organic matter due to limited vegetation and high temperatures that accelerate decomposition. Chernozem (black soil) is actually rich in humus.