alfisol: meaning, definition, pronunciation and examples
Very lowTechnical/Scientific
Quick answer
What does “alfisol” mean?
A soil order in soil taxonomy, characterized by a subsurface layer of clay accumulation, high base saturation, and moderate fertility.
Audio
Pronunciation
Definition
Meaning and Definition
A soil order in soil taxonomy, characterized by a subsurface layer of clay accumulation, high base saturation, and moderate fertility.
In pedology, a type of soil typically found under forest vegetation in temperate, humid climates, often used for agriculture due to its favorable chemical and physical properties.
Dialectal Variation
British vs American Usage
Differences
The term originates from American soil taxonomy (USDA). UK and global soil science may use the term but more commonly references systems like the World Reference Base (WRB), where similar soils might be classified as 'Luvisols' or 'Alisols'.
Connotations
None beyond its technical definition.
Frequency
Used almost exclusively in American soil science literature and contexts where USDA taxonomy is applied.
Grammar
How to Use “alfisol” in a Sentence
The [region] contains extensive areas of alfisols.Alfisols are characterized by [feature].[Crop] is commonly grown on alfisols.Vocabulary
Collocations
Examples
Examples of “alfisol” in a Sentence
adjective
British English
- The alfisol profile showed distinct horizonation.
- Alfisol management requires specific techniques.
American English
- The alfisol properties were ideal for corn.
- An alfisol landscape dominated the county.
Usage
Meaning in Context
Academic
Used in soil science, geography, geology, and agricultural science papers and textbooks.
Everyday
Virtually never used.
Technical
Core term in pedology for soil classification, land use planning, and agronomy.
Watch out
Common Mistakes When Using “alfisol”
- Misspelling as 'alphisol', 'alfisol' (lowercase in running text is acceptable, but capitalized when referring to the order).
- Using it as a general term for 'fertile soil'.
- Confusing it with 'mollisol' (grassland soils).
FAQ
Frequently Asked Questions
No, it is a highly technical term used only in soil science.
No, it is a specific scientific classification. Most gardeners would not use this term.
An alfisol has a clay-rich subsoil layer (argillic horizon) and is moderately fertile with high base saturation.
The name is a portmanteau: 'al' for aluminium (and iron), 'f' from the Latin 'ferrum' for iron, and 'sol' from the Latin 'solum' for soil.
A soil order in soil taxonomy, characterized by a subsurface layer of clay accumulation, high base saturation, and moderate fertility.
Alfisol is usually technical/scientific in register.
Alfisol: in British English it is pronounced /ˈælfɪsɒl/, and in American English it is pronounced /ˈælfɪsɔːl/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'ALF' as 'Aluminium + Iron' (common in these soils) and 'ISOL' as 'soil' backwards. Or: A Lot of Fertility In Soil Often Lies (ALFISOL) in the subsurface.
Practice
Quiz
Alfisols are most closely associated with which type of vegetation?