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Questions and Answers
What determines soil suborders?
Why is the great group used in soil classification?
What defines a soil's subgroup?
How are families determined in soil classification?
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What do soil series represent in classification?
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How are series different from soil types?
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What is the defining characteristic of a soil series?
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Soil suborders are primarily determined based on the soil's color.
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The great group indicates the degree of horizon expression within each soil series.
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Soil subgroups are defined by properties that are distinct from other orders, suborders, and great groups.
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The family of a soil is determined using information detailed in chapter 12 of the Keys to Soil Taxonomy.
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Soil series are determined solely by studying erosion phase and organic content.
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All soils with the same soil series name would have different characteristics across the landscape.
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Phases in soil classification are determined primarily by surface texture.
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The family name in soil classification includes information about particle size class and mineralogy.
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Soils classified under the same great group have identical horizon characteristics.
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Study Notes
Soil Classification
- Soil suborders are determined based on factors other than color.
- The great group indicates the degree of horizon expression within each soil series.
Soil Subgroups
- Soil subgroups are defined by properties that are distinct from other orders, suborders, and great groups.
Soil Families
- Soil family is determined using information detailed in chapter 12 of the Keys to Soil Taxonomy.
- Family name includes information about particle size class and mineralogy.
Soil Series
- Soil series are not determined solely by studying erosion phase and organic content.
- Soil series represent a group of soils with similar characteristics, but not identical across the landscape.
Soil Phases
- Phases in soil classification are not determined primarily by surface texture.
Great Groups
- Soils classified under the same great group do not have identical horizon characteristics.
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Description
Test your knowledge on soil classification terms such as soil order, suborder, great group, subgroup, and family. Understand how these terms are determined based on diagnostic features and properties.
