FORESTRY
ECOLOGY AND ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which soil horizon contains the most humus?
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Topsoil
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Subsoil
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Parent material
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Bedrock
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Explanation:
Detailed explanation-1: -The three main layers of soil are A-horizon (topsoil), B-horizon (subsoil), and C-horizon. The Uppermost layer of the A-horizon of the soil profile is the most suitable for the growth of plants because: It has a high content of humus which provides nutrients to grow plants.
Detailed explanation-2: -Humus is present in the topmost layer of soil.
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