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ablation till
absorbed water
acid soil
actinomycetes
active acidity
adaptation
adaptive_enzyme
adsorbed water
adsorption complex
aerate
aeration, soil
aerobic
aggradation
aggregate
agronomy
A horizon
air-dry
air porosity
air, soil
alkaline soil
alkalinity, soil
alkali soil
alkalization
allophane
alluvial fan
alluvium
alpine soil
amendment, soil
amino acid
ammonification
ammonium fixation
amorphous mineral
anaerobic
angular cobbly
anion exchange capacity
anisotropic mass
antagonism
antibiotic
apparent density
apparent specific gravity
arable soil
arthropod
artificial manure
associate, soil
association, soil
Atterberg limits
auger, soil
autotrophic
available nutrient
available water
azonal soil
badland
bar
base course (base)
base saturation percentage
beach deposits
bearing capacity
bed
bedrock
bench terrace
B horizon
biosequence
bisect
bisequa
Black
blocky
blowing sand
blown-out land
blowout
bog
bog iron
border-strip irrigation
bottomland
boulders
breccia
Brown
Brunisolic
buffer compounds, soil
bulk density, soil
bulk specific gravity
bulk volume
buried soil
butte
calcareous soil
calciphytes
caliche
capability class
capability subclass
capillary conductivity
capillary fringe
capillary porosity
capillary potential
capillary water (Obsolete)
carbon cycle
carbon-nitrogen ratio
category
catena
cation exchange
cation exchange capacity
cemented-indurate
channery
check-basin irrigation
chemistry, soil
Chernozemic
chiseling
chisel, subsoil
chitin
chlorite group
C horizon
chroma
chronosequence
classification, soil
class, soil
clay
clayey
clay films (skins)
clay loam
clay mineral
claypan
climatic index
climax
climosequence
clinosequence
clod
coarse fragments
coarse sand
coarse sandy loam
coarse texture
coating
cobble
cobblestone
cobbly
colloid
colluvium
colony
color
columnar
commensalism
compact soil
complex, soil
compost
compressibility
concentrated flow
concrete frost
concretion
conservation, soil
consistence
consolidation
constitutive enzyme
control section, soil
coprogenous earth
coprolite
corrected lime potential
corrugation irrigation
cradle knoll
crag and tail
creep
crevasse fillings
critical density
critical void ratio
cross-bedding
crotovina
crushing strength
crust
cryic layer
cryology
Cryosolic
cryoturbation
crystal
crystal lattice
cuesta
Cultivation
cumulo layer
Cutan
Darcy's law
Dark Brown
Dark Gray
Dark Gray Gleysolic
deflation
deflocculate
degradation
dehydrogenase
dehydrogenation
delta
denitrification
depleted soil
deposit
diatomaceous earth
diatoms
differential water capacity
diffusivity
direct count
discharge velocity
disintegration
disperse
dispersion medium
diversion dam
double layer
drag
drain
drain tile
drumlin
dry aggregate
dryland farming
dry-weight percentage
dunes
duric
dust mulch
dy
dynamometer
Dystric Brunisol
ecology
ectotrophic mycorrhiza
edaphic
edaphology
effective cation exchange capacity
effective precipitation
electrokinetic potential
eluvial horizon
eluviation
end moraine, or terminal moraine
endoenzyme, or intracellular enzyme
endotrophic
endotrophic mycorrhiza
engineering, soil
enrichment culture
enzyme
eolian deposit
equivalent diameter
equivalent weight of a soil colloid
erode
erodible
erosion
erosion classes
erosion pavement
erratic
esker
eubacteriales
Eutric Brunisol
eutrophic
evapotranspiration
excessive drainage
exchangeable cation percentage
exchangeable phosphate
exchangeable potassium
exchangeable sodium percentage
exchange acidity
exchange capacity
exoenzyme, or extracellular enzyme
external drainage
extract, soil
fabric, soil
facultative anaerobe
fallow land
family, soil
fermentation
Ferro-Humic Podzol
fertility, soil
fertilizer
fertilizer grade
fertilizer requirement
fibric layer
Fibrisol
field capacity
fifteen-atmosphere percentage
fifteen-bar percentage
film water
film water
film water
film water
film water
film water
film water
fine clay
fine earth
fines
fine sand
fine sandy loam
fine texture
firm
first bottom
fixation
fixed phosphorus
flagellum
flaggy
flagstone
F layer
flooding
floodplain
flow velocity
fluvial deposits
fluvioglacial
foliar diagnosis
Folisol
forest floor
forest soils
fragic
fragipan
free acidity
free oxides
freezing index, F (degree-days)
friable
frost action
frost heave
fulvic acids
fungi
furrow irrigation
genesis, soil
genetic
genetic pan
genus
geography, soil
geological erosion
germicide
gilgai
GIS
glacial drift
glacial till
glaciofluvial deposits
gleyed soil
gleysation
Gleysol
Gleysolic
Glossary of Terms in Soil Science
glycophytes
grain density
grain-size analysis (mechanical analysis)
grain-size distribution
granular
granule
gravel
gravelly
gravitational potential
gravitational water
Gray Brown Luvisol
Gray Luvisol
great group
green manure
green-manure crop
ground fire (Forestry)
ground moraine
groundwater
gully
gully erosion
gyttja
habitat
halomorphic soil
halophytic vegetation
hardpan layer
heat capacity (volume)
heat flux density
heavy clay
heavy soil
heterotrophic
H layer
honeycomb frost
horizon, soil
hue
humic acids
Humic Gleysol
humic layer
Humic Podzol
humification
humin
Humisol
Humo-Ferric Podzol
humus
hydration
hydraulic conductivity
hydraulic gradient
hydraulic head
hydric layer
hydrogenic soil
hydrologic cycle
hydrolysis
hydromorphic soil
hydrous mica
hygroscopic coefficient (Obsolete)
hygroscopic water
hymatomelanic acid
igneous rock
illite
illuvial horizon
illuviation
immature soil
immobilization
impeded drainage
impervious
impoverishment, soil
improvement, soil
indicator plants
induced pan
indurated layer
infiltration
infiltration capacity (Obsolete)
infiltration rate
infiltration velocity
infiltrometer
inhibition
inoculation
inorganic soil
intergrade, soil
interstratified clay mineral
intrazonal soil
intrinsic permeability
ion
ion activity
iron pan
irrigation
irrigation efficiency
irrigation methods
isodyne
isomorphous substitution
kame
kaolin group
kettle
lacustrine deposit
lagg
lamina
land
land classification
landforms
landscape
landslide (landslip)
land type
latitude zonation
lattice energy
lattice structure
leaching
levee
lichen
lime, agricultural
lime concretion
lime potential
lime requirement
lime requirement
lime requirement
lime requirement
lime requirement
limno layer
liquefaction (spontaneous liquefaction)
liquid limit
lithic layer
lithosequence
L layer
loam
loamy
loamy coarse sand
loamy fine sand
loamy sand
loamy very fine sand
loess
loose
lower plastic limit
Luvic Gleysol
Luvisolic
lysimeter
macronutrient
macroscopic velocity
made land
management groups, soil
management, soil
manure
map, soil (Pedology)
map unit
marl
marsh
mass wasting
matric potential
matrix, soil
mature soil
maximum water-holding capacity
mechanical analysis
mechanics and engineering, soil
medium texture
Melanic Brunisol
mellow soil
mesa
mesic layer
Mesisol
mesophile
metamorphic rock
mica
microaerophile
microbiology, soil
microclimate
microfauna
microflora
micronutrient
microorganism
microrelief
midden
mine dump
mineral
mineralization
mineralogical analysis
mineralogy, soil
mineral soil
mineral, soil
mine wash
minor element
miscellaneous land type
moder
moderately coarse texture
moderately fine texture
moisture equivalent
moisture-release curve
moisture-retention curve
moisture, soil
moisture tension, soil
moisture-volume percentage
moisture-weight percentage
monolith, soil
montmorillonite
montmorillonite group
moraine
mor (or raw humus)
morphology, soil
mottled zone
mottles
mottling
muck soil
mudflow slide
mulch
mulch farming
mulch, to
mull
Munsell color system
mycelium
mycorrhiza
natural erosion
neutral soil
nitrate reduction
nitrification
nitrogen assimilation
nitrogen cycle
nitrogen fixation
nodule, soil
noncapillary porosity (Obsolete)
normal erosion
Oil wasteland
one-third atmosphere percentage
one-third bar percentage
order, soil
Organic
organic matter, soil
organic phosphorus
ortstein
osmotic potential
Osmotic pressure
Outwash
ovendry soil
Overconsolidated soil deposit
pans
parent material
parent rock
partial sterilization
particle density
particle size
particle-size analysis
particle-size distribution
parts per million (ppm)
peat
peat soil
ped
pedogenesis
pedology
peneplain
penetrability
perched water table
percolation (of soil water)
periglacial
permafrost
permafrost table
permanent charge
permeability, soil
pesticides
pF (Obsolete)
phase, soil
pH-dependent cation exchange capacity
photomap
pH, soil
phyllosilicates
physical properties of soils
physical weathering
physiosorption
phytogenic soils (Obsolete)
phytometer
phytomorphic soils
piedmont
piezometer
piezometric surface
pile
placic
planisaic
plasticity constants
plasticity number
plasticity range
plastic limit
plastic soil
plate count
platy
plow pan (plow sole)
Podzol
Podzolic
podzolic B
podzolization
population, soil
pore-size distribution
pore space
pores, soil
porosity
potassium fixation
potassium-supplying power of soils
potential acidity
potential cation exchange capacity
potential evapotranspiration
precipitation interception
preconsolidation pressure (or prestress)
pressure membrane
pressure or induced pan
primary mineral
primary particles
prismatic
productive soil
productivity, soil
profile, soil
protozoa
psammophytes
psychrophile
pure culture
quick clay
quicksand
rainfall interception
rawhumus
reaction, soil
regolith
Regosol
Regosolic
relief
rendzina
residual material
residual shrinkage
residual soil
retentivity profile, soil
reversion
reworked
rhizobia
rhizoid
rhizoplane
rhizosphere
rill
rill erosion
riverwash
R layer
roche moutonnée
rock drumlin
rockland
rough broken land
runoff
saline-alkali soil
saline soil
salinity, soil
salinization
salt-affected soil
sand
sandy
sandy clay
sandy clay loam
sandy loam
saturate
saturation extract
science, soil
secondary mineral
second bottom
sedimentary rock
seepage
self-mulching soil
sensitivity
separates, soil
separates, soil
separates, soil
separates, soil
separates, soil
sequum
serial dilution
series, soil
shaly
shear stress
sheet erosion
silica-alumina ratio
silica-sesquioxide ratio
silt
silting
silt loam
siltstone
silty clay
silty clay loam
single-grain structure
site
site index
sixty-centimetre tension
slaking, soil
slaty
slickens
slickenside
slick spots
smectite
sodic soil
soil
soil-formation factors
soil structure types
solclime
solifluction
Solod
solodized soil
Solodized Solonetz
Solonetz
Solonetzic
soluble-sodium percentage (SSP)
solum (plural sola)
solution, soil
Sombric Brunisol
splash erosion
spoil bank
sprinkler irrigation
stabilization, soil
sterilization
sticky point
Stokes' law
stones
stoniness
stony
stony land
stratification
stratified drift (or sorted drift)
stratum (plural strata)
stress
strip cropping
structure classes, soil
structure grades, soil
structure index
structure, soil
stubble mulch
subgroup, soil
subirrigation
subsoiling
substrate
subsurface tillage
sulfofication (Obsolete)
summation curve (of particle sizes)
surface runoff
surface sealing
surface soil
survey, soil
sustained yield
swamp
symbiosis
symmetry concentration
symmetry value
synergism
Table 2. Coarse fragments
Table 3. Soil structure
Table 4. Soil water
talud
talus
taxon (plural taxa)
tensiometer
terrace
terric layer
textural classification
texture, soil
thermal analysis (or differential
thermal conductivity
thermogenic soils
thermophile
thermosequence
threshold moisture content
tidal flats
tier
tight soil
tile drain
till
tillage
till, to
tilth
topography
toposaic
toposequence
topsoil
total potential (of soil water)
total pressure
trace element (Obsolete)
traffic pan
transitional soil
truncated
tuff
tundra
tundra soil
type, soil
underground runoff (or seepage)
undifferentiated soil map unit
unsaturated flow
upper plastic limit
urban land
valley train
value, color
variant, soil
varve
vermiculite group
vertical zonation
very coarse sand
very fine sand
very fine sandy loam
void
void ratio
volume weight (Obsolete)
wasteland
waterlogged
water-retention curve
water, soil
water-stable aggregate
water table (groundwater surface;
weathering
wild flooding
wild land
wilting coefficient (Obsolete)
wilting point (permanent wilting
windbreak
xerophytes
young soil
zeta potential
zonal soil
zone, soil
zymogenous flora
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