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Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
Naturalists at Large: Soil composition
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Naturalists at Large: Soil composition

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Naturalists at Large Soil composition Slide Show

Naturalists at Large Soil composition Slide Show

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  • 1. 4th GradeSpringville, Utah
  • 2. Where does soil come from? •Rocks •Minerals •Organic Matter
  • 3. oA TOP SOILEB SUBSOILCR
  • 4. Sagebrush-Cold Desert
  • 5. What are the main components of soil? • Mineral Matter • Air • Water • Organic Matter
  • 6. SOIL COMPONENTS idealized soil 25% AIR FILLED PORES 25 %WATER FILLED PORES 50 % SOIL SOLIDS
  • 7. Soil Components (volume basis)
  • 8. Note: clays are microscopic in size !
  • 9. Soil separate particle diameter (mm)____________________________ Sand . . . . . . . . . 2.0 - 0.05 Silt . . . . . . . . . . 0.05 - 0.002 Clay . . . . . . . . . . <0.002 SAND SILT CLAY
  • 10. Clay mineralsphotographedwith an electronMicroscope.Note: they are plateor flake like andare stacked on topof each other.They are electricallycharged and act likemagnets that attractand hold plantnutrients.
  • 11. What causes soil erosion? Water Wind No Vegetation
  • 12. How did the Canyon Landsof Utah form?
  • 13. What are the FACTORS that make SOIL? TIME 1000’S TO 10,000’S OF YEARS LAY OF THE LAND TOPOGRAPHYLIVING ORGANISMS ANIMALS AND PLANTS CLIMATE HOT/COLD, WIND/RAIN PARENT MATERIAL ROCKS AND MINERALS
  • 14. Physical land features
  • 15. What are some practices Of SOILCONSERVATION? Terracing Strip Cropping Contour Plowing Tilling Wind Breaks Ground Covers
  • 16. Internet Sites• http://www.tx.nrcs.usda.gov/class/sammy.htm

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