Which material forms the organic portion of soil

Question

Eileen Knapp

Biology

12 March, 09:44

Which material forms the organic portion of soil

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Answers (2)

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Meredith Goodman · Answer 1

Mostly organic matter such as decomposing leaves. The O horizon is thin in some soils, thick in others, and not present at all in others. A - (topsoil) Mostly minerals from parent material with organic matter incorporated. A good material for plants and other organisms to live.

Aileen Mcbride · Answer 2

Mostly organic matter such as decomposing leaves. The O horizon is thin in some soils, thick in others, and not present at all in others. A - (topsoil) Mostly minerals from parent material with organic matter incorporated. A good material for plants and other organisms to live.