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Soil Survey Map Reading

Soil Survey Map Reading. Discussion and Activity Environmental Science. Soil As A 3- Phase System. Soil Particles Water Films and Trapped Gases in Pores Solids and Aggregates. Water is the Driving Force. Water Movement affects: A. Detachment B. Transport C. Deposition.

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Soil Survey Map Reading

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  1. Soil Survey Map Reading Discussion and Activity Environmental Science

  2. Soil As A 3- Phase System • Soil Particles • Water Films and Trapped Gases in Pores • Solids and Aggregates

  3. Water is the Driving Force • Water Movement affects: • A. Detachment • B. Transport • C. Deposition

  4. Types of Erosion Affecting Soil Quality Rill and Inter-rill Gully (most aggressive) Splash

  5. Gully Erosion

  6. Inter- rill Erosion

  7. Splash Erosion

  8. How Does Soil Form? Physical and Chemical Weathering Wind and Water Mixtures and Solvents

  9. What is Soil Composed Of? Rocks and Minerals Living Organisms = worms, bacteria, insects, fungi Decayed Organics= plants and animals Aggregates= rocks and pebbles Moisture Trapped Gases= air, methane, others

  10. Types of Soils LOAM is best For SOIL FERTILITY

  11. Soil Survey Activity Using the Colored General Soil Map and Legend, describe the soils Found in a five mile radius around each that follows: Sleepy Eye B. Searles C. Comfrey One of your choice

  12. Use of Tables Use the Tables Section starting on page 114. Answer the following: a. What trees grow in “Webster” Soils?

  13. Soil Textures and Composition What kind of soil doe Cobden have? Find the soil textures and composiition. Choose another location of your homestead or of a classmate’s.

  14. Understanding Symbols Symbol 495 stands for what soil type? Select another symbol and meaning of your choice. Give the symbols for soils in a five mile radius Around Sleepy Eye.

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