The diagram shows the soil profile of a podzol - Leaving Cert Agricultural Science - Question Question 1 - 2009
Question Question 1
The diagram shows the soil profile of a podzol. Name the parts P, Q, R, S.
P: ________________
Q: ________________
R: ________________
S: ________________
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Worked Solution & Example Answer:The diagram shows the soil profile of a podzol - Leaving Cert Agricultural Science - Question Question 1 - 2009
Step 1
P:________________
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P refers to the organic matter or humus layer, also known as the O horizon, which consists of decomposed plant and animal material.
Step 2
Q:________________
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Q denotes the topsoil or A horizon, rich in minerals and organic matter, crucial for plant growth.
Step 3
R:________________
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R signifies the subsoil or B horizon, characterized by accumulating minerals leached from the upper layers.
Step 4
S:________________
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S represents the parent material, or C horizon, which consists of weathered rock that contributes to the soil structure.
Step 5
Describe a suitable activity that would remove the iron pan in a podzol.
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To remove the iron pan in a podzol, deep ploughing can be employed. This activity involves turning over the soil to break up the hardened layer, allowing better drainage and root penetration. Another option is sub-soiling, which uses specialized equipment to fracture the compacted layer below the surface, enhancing water absorption and improving overall soil health.
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