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soils have different layers present in it as the depth increases. These layers are called horizons. Humus as we all know is present in the top layer of the soil,which is several inches in thickness and is called A horizon.
Wiki User
∙ 16y ago
The O horizon contains the most humus. This horizon is made up of organic material such as leaves, twigs, and other plant debris that is in the process of decomposing.
Wiki User
∙ 12y agothe organic horizon :)
Magnus Mandarich
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Which layer in a soil profile contains the most organic matter the A horizon or O horizon?
The O horizon contains the most organic matter in a soil profile. It is the top layer of organic material such as decaying leaves, branches, and other plant debris that is actively decomposing. The A horizon, also known as the topsoil, is a layer rich in minerals and organic matter that is developed from the decomposition of plant material in the O horizon.
What is the silver content of a 1946 shilling?
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Arizona produces the most copper in the United States.
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California is the most populous state in the US.
Which horizon contains the least humus?
b horizon
Why is it that A horizon contains more organic mater than B horizon?
Because the A horizon contains more humus which makes the A horizon more organic
Which soil layer contains the least humus?
The C and R horizon
Why does soil horizon A have the most Humus?
The Fertile soil contains lots of microorganisms which decompose the complex dead bodies of animals and plants into simpler substance called Humus.
How does the b horizon differ from a horizon and the c horizon?
The C horizon contains mainly parent material, while the B horizon contains mainly clay particles and the A horizon; mainly silt sized particles and humus
Which contains the most humus?
soils have different layers present in it as the depth increases. These layers are called horizons. Humus as we all know is present in the top layer of the soil,which is several inches in thickness and is called A horizon.
In which horizon layer would you expect to find the most humus?
organic
Is there humus in the C horizon of soil?
no it is found in the topsoil or a horizon
Which soil layer contains the most humus?
the O-Horizon is the topmost soil so it has the most humus
What is the A horizon need help?
The A horizon is the top layer and is made out of sand, clay silt, and humus. It is where most plants grow. =-) Hope that helped.
What is soil that contains humus?
Topsoil contains organic matter (humus)
What Horizon has the highest amount of organic material?
A horizon B horizon C horizon O horizon
