Soils Quiz 2

what are two influences of infiltration rate

water{ porosity and permealbility)

what are the four primary processes on soil horizonation

transformation, translocation, additions, losses

transformations in soil horizonation

-chemical/physical weathering

- the breakdown of stuff within the soil column profile

- formation of peds

translocation in soil horizonation

moves within soil profile

additions in soil horzonation

new stuff coming into soil profile from the outside

losses in soil horzonation

leaving soil

Three components of total water potential

matric potential( suction)

gravitational potential( gravity)

osmotic potential (degree of movement)

what mineral group has the greatest shrink swell capacity

phyllosilicates

least mobile water

negatives

Which horizon is the zone of accumulation

B horizon

e horizon

-lighter in color

-higher concentration of coarse particles

-associated with acidic soils

The b horizon

shows little evidence of original parent material

must have subhorizon designation

high in minerals( inorganic)

elluvial

stuff leaves

illuvial

accumulations