Characteristics of a Soil: Irish Brown Earths (Leaving Cert Geography): Flashcards
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Practise the cards
14 cards from this deck
Most common soil type in Ireland
Most common soil type in Ireland
Irish brown earths
% mineral matter in brown earths
% mineral matter in brown earths
45%
Origin of mineral matter in brown earths
Origin of mineral matter in brown earths
Glacial boulder clay from last ice age
Texture of brown earths
Texture of brown earths
Loamy
Structure of brown earths
Structure of brown earths
Crumb structure
pH range of brown earths
pH range of brown earths
5-7
Annual rainfall for brown earths (midlands/east)
Annual rainfall for brown earths (midlands/east)
800-1000mm
3 types of brown earths
3 types of brown earths
Acidic, podzol, shallow
Altitude where acidic brown earths develop
Altitude where acidic brown earths develop
Over 500m above sea level
% of Ireland covered by podzol brown earths
% of Ireland covered by podzol brown earths
22%
Depth of shallow brown earths
Depth of shallow brown earths
50cm
Horizons in brown earth profile
Horizons in brown earth profile
4: O, A, B, C
Which horizon is zone of greatest biological activity?
Which horizon is zone of greatest biological activity?
A horizon (topsoil)
Key identifying feature of brown earth profile
Key identifying feature of brown earth profile
Uniform colour between A and B horizons