Soil Formation
This cross-section of a soil shows all its layers
What is a profile?
There are 12 in this taxonomic class
What are soil orders?
An organic colloid
What is humus?
This is the proportion of sand, silt, and clay
What is soil texture?
The examination, description, and mapping of soils in an area according to a classification system
What is a soil survey?
This horizon is bright white in color and coarse in texture
What is the E horizon (eluviation)?
This is the most descriptive level of taxonomy.
What is the family?
What is soil solution/dissolved ion pool?
The total pore volume of a soil
What is porosity?
The size and detail of a soil survey map
What is scale?
Rock + Weathering
What is parent material?
The most common southeastern soil.
What is an ultisol?
What is isomorphic substitution?
A systematic way to describe soil color
What is the Munsell notation or Munsell chart
The appropriate depth of sampling for a conventional till row crop field.
What is 6-8" (plow depth)?
This chemical weathering process has nothing to do with water.
What is oxidation-reduction?
This soil order is formed under temperate deciduous forests
What is an alfisol?
These colloids are found in oxisol soils and have two metals and three oxygens
What are sesquioxides?
This soil structure has slow water flow and is found in the E horizon
What is platy?
Several soil cores are mixed together to form this type of sample.
What is a composite?
This parent material reached Georgia recently - in the form of Saharan Dust
What is eolian?
This order has a few layers but is not well developed
What is an inceptisol?
This 2:1 clay has a large interlayer and is found in vertisol soils.
What are smectites?
The three ways soils structures are described
What are grade, class, and type?
The most common soil survey order
What is second order?