Mention any three factors that contribute to the formation of a gley soil. - Leaving Cert Agricultural Science - Question d - 2015
Question d
Mention any three factors that contribute to the formation of a gley soil.
Worked Solution & Example Answer:Mention any three factors that contribute to the formation of a gley soil. - Leaving Cert Agricultural Science - Question d - 2015
Step 1
High rainfall or waterlogging
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Answer
High rainfall can lead to waterlogging, which is a significant factor in the formation of gley soils. The excessive water saturation prevents the normal aeration of the soil.
Step 2
Impenetrable subsoil or high water table
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An impenetrable subsoil can restrict water drainage, contributing to the accumulation of water and the development of gley conditions, often associated with a high water table.
Step 3
Anaerobic conditions
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Answer
Anaerobic conditions develop in waterlogged soils when oxygen levels are low, leading to the reduction of iron, which is a characteristic of gley soils.
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