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Soil Science. Springville, Utah. Where does soil come from? Rocks Minerals Organic Matter. Sagebrush-Cold Desert. Mollisol Profile. What are the main components of soil?. Mineral Matter Air Water Organic Matter. Soil Particles. Note: clays are microscopic in size !. Clay minerals

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springville utah

Soil Science

Springville, Utah

slide3

Where does soil come from?

  • Rocks
  • Minerals
  • Organic Matter
slide7

Sagebrush-Cold Desert

Mollisol Profile

what are the main components of soil
What are the main components of soil?
  • Mineral Matter
  • Air
  • Water
  • Organic Matter
slide11

Soil Particles

Note: clays are microscopic in size !

slide13

Clay minerals

photographed

with an electron

Microscope.

Note: they are plate

or flake like and

are stacked on top

of each other.

They are electrically

charged and act like

magnets that attract

and hold plant

nutrients.

slide16

What causes soil erosion?

Water

Wind

No Vegetation

slide25

Gully Erosion

How did the Canyon Lands

of Utah form?

slide32

What are the FACTORS

that make SOIL?

TIME

1000’S TO 10,000’S OF YEARS

LAY OF THE LAND

TOPOGRAPHY

LIVING ORGANISMS

ANIMALS AND PLANTS

CLIMATE

HOT/COLD, WIND/RAIN

PARENT MATERIAL

ROCKS AND MINERALS

slide33

Topography

Physical land features

slide34

What are some practices

Of

SOIL CONSERVATION?

Terracing

Strip Cropping

Contour Plowing

Tilling

Wind Breaks

Ground Covers

slide37

Strip Cropping

Contour Plowing

internet sites
Internet Sites
  • http://www.tx.nrcs.usda.gov/class/sammy.htm
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