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Soil Science Exam 1 Section A
n/a
40
Other
Undergraduate 3
09/22/2009

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Cards

Term
Master Horizons, list
Definition
A, B, C, E, L, M, O, R, W
Term
Master Horizon L
Definition
limnic- formed from aquatic organisms
Term
Master Horizon M
Definition
human manufactured root limiting layer
Term
Master Horizon A
Definition
in mineral soil, accumulates OM
Term
MH E
Definition
Zone of Elluviation, lighter than soil above/below
Term
elluviation
Definition
exit
Term
MH B
Definition
mineral, accumulates material, zone of illuviation
Term
MH C
Definition
parent material- either from bedrock or transplanted, little or no development
Term
MH R
Definition
bedrock
Term
MH O
Definition
organic, greasy feeling
Term
MH W
Definition
water
Term
list the 5 florida diagnostic surface epipedons
Definition
Mollic, Umbric, Histic, Ochric, and Follistic
Term
mollic epipedon
Definition
mineral soil BS >50%, dark
Term
what are the bases of base saturation?
Definition
Ca, Mg, Na, K
Term
umbric epipedon
Definition
like the mollic, mineral xcept <50% BS
Term
histic epipedon
Definition
organic material on mineral soils
Term
folistic epipedon
Definition
dry organic layer, FL keys
Term
ochric epipedon
Definition
too... light, little OM, thin, undeveloped
Term
list 5 diagnostic subsurface horizons
Definition
argillic, kandic, albic, spodic, and cambic
Term
Spodic DSH
Definition
zone of illuviation, black->reddish black
Term
Albic DSH
Definition
whitish, zone of eluviation
Term
Argillic DSH
Definition
accumulation of silicate clay, high in bases
Term
Kandic
Definition
accumulation of silicate clay, low in bases
Term
Cambic
Definition
mediocre- some accumulation some structure, weakly developed
Term
SH: a
Definition
highly decomposed organic matter
Term
SH: e
Definition
moderately decomposed organic matter
Term
SH: i
Definition
least decomposed organic matter
Term
SH: b
Definition
buried soil
Term
SH: h
Definition
organic matter, iron and aluminum
Term
SH: g
Definition
grey, gleyed
Term
SH: k
Definition
calcium carbonates
Term
SH: ma
Definition
marl
Term
SH: p
Definition
plowed
Term
SH: r
Definition
soft bedrock
Term
SH: t
Definition
accumulation of clay
Term
SH: u
Definition
presence of artifacts
Term
SH: v
Definition
plinthite
Term
SH: m
Definition
cementation
Term
SH: s
Definition
organic matter and sesquioxides
Term
SH: w
Definition
development of color and/or structure
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