FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Location of Topsoil
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-has bits of decayed plants and animals-adds nutrients
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-underneath plants and grass-above topsoil
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-dark-has the most humus and minerals
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-under humus-above subsoil
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Explanation:
Detailed explanation-1: -The topsoil layer is a mixture of sand, silt, clay and broken down organic matter, called humus.
Detailed explanation-2: -The O horizon also serves to absorb water and build soil structure. Most commonly called topsoil, the A horizon is a layer of mineral soil that has a defined soil structure, and it is mostly made up of humus (decayed organic matter). The A horizon may be a result of soil disturbance by plant and animal activity.
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