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the o a sub horizon denotes
Question:
The O$_a$ sub-horizon denotes-
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Remember: “a” stands for advanced decomposition in the O-horizon classification.
ICAR AIEEA (PG) - 2024
ICAR AIEEA (PG)
Updated On:
Jun 3, 2025
Organic horizon with highly decomposed organic matter
Organic horizon with intermediately decomposed organic matter
Organic horizon with least decomposed organic matter
Organic horizon without decomposed organic matter
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The Correct Option is
A
Solution and Explanation
The O$_a$ horizon consists of well-decomposed organic matter, indicating advanced stages of decomposition, and typically appears dark and homogeneous.
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