Introduction To Soil For Student Notes

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Notes with video links for the introduction to soil lesson.

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Introduction To Soil For Student Notes

  1. 1. Introduction to Soil
  2. 2. Do Now <ul><li>Write down what you think the difference is between soil and dirt </li></ul><ul><li>List as many reasons you can think of why soil is important </li></ul>
  3. 3. Careers in Soil Science <ul><li>Soil and Plant Scientists from Careers.org </li></ul>
  4. 4. SOIL <ul><li>Traditional definition: Material which nourishes and supports growing plants; foundation of every living thing </li></ul>
  5. 5. Dirt <ul><li>Soil out of place and unable to serve it’s purpose </li></ul>
  6. 6. Importance of Soil <ul><li>Foundation for roads and structures </li></ul><ul><li>Home to plants and animals </li></ul><ul><li>Grow things in it </li></ul><ul><li>Contains and filters water </li></ul><ul><li>Helps dispose of waste </li></ul><ul><li>Basis for recreation areas </li></ul>
  7. 7. Soils Perform Several Vital Functions Sustaining plant and animal life below and above the surface Regulating and partitioning water and solute flow Filtering, buffering, degrading, immobilizing, and detoxifying Storing and cycling nutrients Providing support to structures
  8. 8. SOIL <ul><li>Mixture of mineral matter, organic matter, water, and air. </li></ul><ul><li>Properties of soil </li></ul>
  9. 9. SOIL COMPONENTS Air 25% Mineral Matter 45% Water 25% Organic Matter 5%
  10. 10. 3 Fractions of Mineral Matter <ul><li>Sand </li></ul><ul><li>Silt </li></ul><ul><li>Clay </li></ul>
  11. 11. USDA Textural Triangle

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