SOIL PHYSICAL COMPONENTS
“Getting to the root of the problem”
sand
silt
clay
air
water
Cation exchange
tillageroots
Mineral
CLAY<0.002mm
0 1mm 2mm 3mm 4mm 5mm
SAND2.0 - 0.5 mm
0.5 - .002mmSILT
Soil Particle Sizes
100% 0%
0%
0%100%
100%
LoamSilt Loam
Silt
Sandy Loam
Loamy SandSand
Clay loamsilty clay
loam
clay
sandy clay loam
sandy clay
Soil Texture
Percent SAND
Per
cent
CLA
YP
ercent SILT
Soil Structure. . . the arrangement of soil particles into aggregates
Soil aggregates
Organic
End of PART 2.
“Soil Physical Components”
Slide set developed by:
Dr. Charles Mitchell
Extension Agronomist-Soils & Professor
Auburn University
for use in the Extension Master Gardener Volunteer Training Program
