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