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Teacher Information!

This PowerPoint presentation covers erosion control methods for farmers, including cover crops, crop rotation, strip cropping, and more. Students will learn about the importance of erosion control and how to implement these techniques effectively in agriculture.

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Teacher Information!

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  1. Teacher Information! • PowerPoint begins with teacher-led discussion (on next slide) • Necessary materials: • PowerPoint Guide

  2. Teacher-Led Discussion • What is runoff? • Why is runoff a problem? • What tactics are used to lessen the impacts or runoff?

  3. Controlling Erosion on the Farm Pgs 67-77 in Ch.6 of Managing Our Natural Resources Soil and Water Resources

  4. Students will be able to… • Discuss the different methods that farmers can use to control erosion. • Identify the most important factor of erosion control

  5. Erosion Control Methods (1) • Cover crops • Close-growing crops protect soil • Common in vineyards and orchards • Used when erosion danger is severe • Improve organic matter content • Green manure crop • Cover crop is plowed under

  6. Erosion Control Methods (2) • Crop rotation • Decreases erosion danger • Improves water absorption • Increases soil organic matter content • Examples: • 3-year rotation  corn, soybeans**, wheat • 4-year rotation  corn, cotton, oats, hay • **Benefits of legumes?

  7. Erosion Control Methods (3) • Strip cropping • Alternating bands of different crops • Corn-hay-corn-hay • Used in conjunction with crop rotations • Provides strip of heavier vegetation • Advantages?

  8. Erosion Control Methods (4) • Grassed waterways • Drainage ditch covered with dense vegetation • Widely used throughout world • NOT cultivated • Grass may be used for hay

  9. Erosion Control Methods (5) • Conservation tillage • To till… • Economical • Conserves soil and water • All rely on crop residue to protect soil • Examples? • Disadvantages v. advantages?

  10. Erosion Control Methods (6) • Contour farming • Don’t go up the hill…go around! • Why? • Exactly perpendicular? • No… • Disadvantage?

  11. Erosion Control Methods (7) • Terracing • Large surface channels • Controlled rate of fall • Conduct water to a protected area • Use when slopes are greater than 2%

  12. Controlling Wind-Caused Erosion • Windbreaks • Often for sheltering buildings • Reduce cost of heating/cooling • Slows moisture evaporation • Shelterbelts • Provide shelter for crops and livestock • Conservation tillage • Contour farming

  13. EROSION! • What is the most important thing that can be done? • Use the land according to its CAPABILITY! • Then make use of appropriate erosion control methods.

  14. Can you… • Identify the different methods that farmers can use to control erosion in the following slides?

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