What is the structural framework of clays and organic matter
100
Zone of accumulation
What is the B horizon
100
Name for a soil individual
What is a polypedon
For 100 more, define a pedon
100
This fraction of soil are mineral particles greater than 2 mm
What are coarse fragments
100
They is the zone of illuviation (accumulation)
What is the B horizon?
For 100 extra points, what are are the other master horizons
200
anywhere from 20-30% air, 20-30% water
What is what fills the soil pore space
200
The most common type of rock encountered, covering about 75% of the Earth's land surface
What is sedimentary rock
200
Categories of soil taxonomy classification from least to most specific
What is (in order): order, suborder, great group, subgroup, family, and series
For 200 extra, what are the soil moisture regimes from wettest to dryest
200
This particle is less than .002 mm in diameter, has a very large surface area and a large capacity to adsorb water and other substances
What is clay.
For an extra 200 points, what class of minerals dominate this particle size?
200
A dense zone that sometimes occurs immediately below the plowed layer of a soil
What is a plow pan
For 200 extra points, what is the designation of the horizon above a plow pan?
300
The definition of soil
What is material that has been altered, where horizons are formed and plants are rooted
300
The expansion of ClORPt
What is climate, organisms, relief, parent material and time
300
What soil taxonomy is based on
What are observable soil properties
For 300 extra points, what soil orders are found in indiana
300
Use the texture triangle to determine this type of soil with 10% sand and 60% silt.
What is a silty clay loam
300
Pores that are larger than about 0.08mm
What are macropores.
For an extra 300 points, name two processes responsible for the formation of macropores.
400
What are the 6 ecosystem functions of soil?
-Medium for plant growth
-Recycling system for nutrients and organic waste
-Modifier of the atmosphere
-Habitat for soil organisms
-Engineering medium
-Water purification
For 400 extra points, what's the Mnemonic for remembering what soil provides to plants?
400
Parent material most likely found in central Indiana
What is glacial till (outwash and alluvium are also common, as seen in the first lab)
400
The order of an ACKERMAN soil, which is a
SANDY, MIXED, MESIC HISTIC HUMAQUEPTS
What is Inceptisol
For 400 extra points, what is the suborder and the great group and what do those names indicate
400
The arrangement of sand, silt, clay, and organic particles in soils
What is the soil structure
For an extra 300 points, what is soil texture?
400
The soil order formed in stable, hot, wet climates, typically with tropical forest vegetation
What is Oxisol
For an extra 400 points, what minerals dominate this soil?
500
the mnemonic to remember the 17 essential elements needed by plants
What is C.B. HOPKiNS CaFe
Closed Monday Morning and Night
See You Zoon, the Mg
500
Parent material deposited by streams
What is alluvium
500
The requirements for forming a vertisol
What are 30% or more expanding and contracting clays and alternating wet and dry season.
500
They're the structural type (shape) found in a good top soil and the structural shape found in subsoil
What is granular and blocky?
500
Most common types of carbonates found in soil
What are calcite (CaCO3) & dolomite
For an extra 500 points: Name two ways the presence of carbonates influence the soil.