Which of the following is NOT considered to be a function of soil?
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These are all functions and services of the soil
What fixes Phosphorus (rendering it unavailable for plants) in high pH soils?
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Fixation by Ca phosphates and carbonates
adhesion
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attractive force between water molecules and surfaces of soil soilids
water + soil solid surfaces
A horizon
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surface layer with mixed mineral and organic materials
what is the plant available form of sulfur?
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sulfate (SO42-)
During nitrification, ____ is first converted to ____ which is then converted to ____.
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ammonium, nitrite, nitrate
What is the most likely Parent Material for the soil formed on the toeslope?
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alluvium
This soil is 100% dominated by pH-dependent charge
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you are looking for the soil that has Fe, Al oxides (this
colloid is 100% dominated by a pH-dependent charge),
Kaolinite is about 95% pH-dependent charge. SOM is ~ 90%
pH dependent charge.
mollic and argillic diagnostic horizons have ____ base saturation, whereas umbric and
kandic horizons have ____ base saturations.
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, high, low
Ap
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plowed
In which soil would you be more likely to find Ca and Mg deficiencies?
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In highly weathered, red clay soils in the SE of the US
cohesion
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attractive force between water molecules
water + water
Arrange the following soil orders in order of pH (low to high). Hint: think in order of
weathering/base cation concentrations
Alfisol
Aridisol (high salts)
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These are all functions and services of the soil
What fixes Phosphorus (rendering it unavailable for plants) in high pH soils?
,Give this one a try later!
Fixation by Ca phosphates and carbonates
adhesion
Give this one a try later!
attractive force between water molecules and surfaces of soil soilids
water + soil solid surfaces
A horizon
Give this one a try later!
surface layer with mixed mineral and organic materials
what is the plant available form of sulfur?
Give this one a try later!
sulfate (SO42-)
During nitrification, ____ is first converted to ____ which is then converted to ____.
,Give this one a try later!
ammonium, nitrite, nitrate
What is the most likely Parent Material for the soil formed on the toeslope?
Give this one a try later!
alluvium
This soil is 100% dominated by pH-dependent charge
Give this one a try later!
you are looking for the soil that has Fe, Al oxides (this
colloid is 100% dominated by a pH-dependent charge),
Kaolinite is about 95% pH-dependent charge. SOM is ~ 90%
pH dependent charge.
mollic and argillic diagnostic horizons have ____ base saturation, whereas umbric and
kandic horizons have ____ base saturations.
Give this one a try later!
, high, low
Ap
Give this one a try later!
plowed
In which soil would you be more likely to find Ca and Mg deficiencies?
Give this one a try later!
In highly weathered, red clay soils in the SE of the US
cohesion
Give this one a try later!
attractive force between water molecules
water + water
Arrange the following soil orders in order of pH (low to high). Hint: think in order of
weathering/base cation concentrations
Alfisol
Aridisol (high salts)
