Soil Profile (Leaving Cert Geography): Quizzes
📚Quizzes
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12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a soil profile?
What is a soil profile?
A vertical cross-section of soil layers
What are the individual layers within soil called?
What are the individual layers within soil called?
Horizons
In what order do the five main horizons appear from the surface downwards?
In what order do the five main horizons appear from the surface downwards?
O, A, B, C, R
What does the O horizon primarily consist of?
What does the O horizon primarily consist of?
Organic material and plant debris
What is another name for the A horizon?
What is another name for the A horizon?
Topsoil
What is humus?
What is humus?
Decomposed organic matter in soil
What is leaching?
What is leaching?
Water moving materials downward in soil
Why is the B horizon called a zone of accumulation?
Why is the B horizon called a zone of accumulation?
Minerals collect there from above
What problems can hardpan formation cause?
What problems can hardpan formation cause?
Drainage issues and waterlogging
What does the C horizon contain?
What does the C horizon contain?
Partially weathered parent material
What does the R horizon consist of?
What does the R horizon consist of?
Solid rock or bedrock
How long does it take for distinct soil horizons to develop?
How long does it take for distinct soil horizons to develop?
Hundreds and thousands of years