15 Questions
What is the formative element that expresses the degree of diagnostic horizon expression within each suborder taxa?
Great group
How are soil suborders determined?
Based on soil moisture regimes and diagnostic features
What defines a soil's subgroup?
Properties transitional to other orders
How are soil series differentiated among each other?
Through color and texture
What is the smallest unit that soils are subdivided into, except for soil type and phase?
Soil series
What determines the phases within a soil series?
Slope, erosion, or salt content
What is the purpose of determining soil suborders?
To understand soil moisture regimes and diagnostic features
How are soil great groups classified?
By studying horizon characteristics
What properties define a soil's subgroup?
Properties transitional to those in other groups
How is a soil series determined?
Using characteristics such as color and thickness
What is included in the technical family name of a soil?
Particle size class and CEC
Why are soil phases determined within a soil series?
To account for differences in slope, erosion, or salt content
What is the major characteristic used to differentiate soil types within a series?
Surface texture of the soil
Which component is typically used to determine a soil's family?
of control section
What determines the formative element of a great group?
Degree of expression
Learn about the hierarchical classification of soils from order to suborder, great group, subgroup, and family. Understand how soil characteristics determine its classification at each level.
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