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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



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


Soil Particles

Note: clays are microscopic in size !


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.




What causes soil erosion?

Water

Wind

No Vegetation




The Great Dust Bowl

Wind Erosion







Gully Erosion

How did the Canyon Lands

of Utah form?






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


Topography

Physical land features


What are some practices

Of

SOIL CONSERVATION?

Terracing

Strip Cropping

Contour Plowing

Tilling

Wind Breaks

Ground Covers


Strip Cropping

Contour Plowing











Internet sites
Internet Sites

  • http://www.tx.nrcs.usda.gov/class/sammy.htm


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