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Forest Soils - Coggle Diagram
Forest Soils
soil erosion
accelerated erosion
man induced erosion
geologic erosion
rill
small channel
gully large channel
ephemeral
perennial
foot depth
water erosion
sheet wash erosion
soil and water conservation
vengineering
vegetation
mechanical
prevention aspect
soil properties
biological
microbes
mycorrhiza
bnf
termites
earthworms
pop
respiration
diversity
physical
color
munsell soil color chart
hue
dominant
indicates materials present
texture
soil textural triangle
proportion of sand,silt & clay
influences
drainage
nutrient supplying power
macropore
drainage
micropore
colloidal particles
nutrient
sandy soil
use slow release fertilizer
split application of fertilizer
clay soil
more micropores
hard consistency
porosity
density
mass over volume
bulk density
indicator of compactness
at most 1.6
particle density
lighter particle density
high OM
consistency
workability of the soil
plasticity
ability of the soil to be molded
can be mold if high clay content
stickiness
amt of clay
type of clay
muscovite
non expanding
potassium bridge
aggregation
aggregate stability
soil structure
spheroidal
block like
pris like
plate like
important in soil porosity
soil moisture content
soil moisture constant
Water holding capacity
stuarated w/ water
field capacity
no water in macropores
permanent wilting point/
wilting coefficient
water in soil is not enough to support plants
15 atmosphere
water held by soil
force
hygroscopic coefficient
water in vapor form
cant be used by plants
available water
gravitational water
unavailable water
soil org
prefer slightly acidic to neutral
chemical
fertility
ability of soil to supply nutrients
cec
high cec
high nutrient retention
negative charges retention
percentage base saturation
ph
affects nutrient availability
high calcium too alkaline
calcium phosphate
lime for acidic, pataasin
soil formation
factors (clorp)
parent material
sedentary
climate
classification
soil survey
soil taxonomy
12 soil orders
I AM A SUAVE HOG
vertisol
cracking
spodosol
ultisol
histosol
alfisol
aridisol
arid = v. dry
incepisol
young soil
molisol
grasses
andisol
gelisol
permafrost
boreal areas
entisol
oxisol
amt of rainfall
tropical rainforest
oxisol
oxides of iron & aluminum
red soil
highly weathered
ultisol
not that weathered
common in Ph
topography
slopes
areas
living organism
local flora
plant & trees that lives
grass = temporary roots
fauna
termites
earthworms
time
age
soil processes
addition
rock kakapitan ng ficus
leaves
losses
erosion
nutrients are lost
leaching
transformation
weathering of rock
decomposition of the leaves
translocation or
transfer
halo sa sediment
percolating water
earthworm
alluvial
soil transported by river/runoff
colluvium
gravitational
lacustrine
by lake
aeolian
by wind
glacial
ice
terms
loess
sedimentary deposit
soil profile/horizons
layers
O
ORGANIC HORIZON
forest floor
A
organic w/ mineral material
dark colored
E
alFISOL
SPODOSOL
bihira sa PH
bleach horizon
eluviation
movement of material out of horizon
finer particles/ clay are lost
percolating water
sand is made up of quartz
temperate
high rainfall & acidic condition
B
illuviate
movement of materials INTO horizon
Bw
result of weathering of parent material
Bt
illuvial accumulation of clay materials
clayey
C
parent material
no R
r = bedrock