FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Horizon O is an organic horizon that comprises three sub-horizons. Which of the following did sapric (highly decomposed organic horizon) belongs?
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Oa
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Oe
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Oi
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Ou
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Explanation:
Detailed explanation-1: -The O-Horizon The O horizon is the upper layer of the topsoil which is mainly composed of organic materials such as dried leaves, grasses, dead leaves, small rocks, twigs, surface organisms, fallen trees, and other decomposed organic matter.
Detailed explanation-2: -The simplest soils have three horizons: topsoil (A horizon), subsoil (B horizon), and C horizon.
Detailed explanation-3: -C: The C horizon is a subsurface horizon. It is the least weathered horizon. Also known as the saprolite, it is unconsolidated, loose parent material.
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