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Insights into Agriculture and Environmental Challenges: Chapter 9 Overview and Assignments

This overview covers essential topics from Chapter 9, including soil formation, the importance of no-tilling farming, and the impacts of traditional agriculture and monoculture. Key concepts such as land degradation, erosion, and desertification are also discussed, alongside the historical example of the Dust Bowl. Students are reminded to complete their FCA essay on Global Climate Change and to review chapter materials, preparing for class discussions and assessments on family planning and the role of women in agriculture.

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Insights into Agriculture and Environmental Challenges: Chapter 9 Overview and Assignments

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Presentation Transcript

  1. Do now – Jaywalk All Stars

  2. Do now – Jaywalk All Stars

  3. Review • Quiz and then chapter 9 material

  4. Reminder of Homework • FCA Essay Due today in class. Hard copy. • Re-reading from the text – all of Chapter 8 pages, be ready to cover it fairly quickly Thursday. • Finish reading chapter 9 • Monday – FCA essay on Global Climate Change – Handout.

  5. Review • Transition Demographics – explain the chart below

  6. Review • Fertility Decline in Bangladesh (Matleb Project) • Family planning • Role of the female in the family • Graph on page 218 • Impact of AIDS • Is AIDS an epidemic here in the US? Yes or no and explain.

  7. New material – Chapter 9 • No-tilling farming • What is it and why is important? • Agriculture vs. Cropland vs. Rangeland • How and why soil gets degraded • How and why did agriculture come to be?

  8. New material – Chapter 9 • Traditional agriculture • Monoculture – give an example and give an example of how or when it failed.

  9. New material – Chapter 9 • Soil formation: • Parent material • Bedrock • Weathering of the rock • Physical versus chemical • Soil profile - Horizontal

  10. New material – Chapter 9 • Soil profile – Horizontal • O Horizon, then A, E, B, C, R • Topsoil vs. clay • Page 230 (top of page) • Land degradation and erosion • Desertification • The dust bowl

  11. New material – Chapter 9 • The Dust Bowl • How did this happen and when?

  12. New material – Chapter 9 • Soil profile – Horizontal • O Horizon, then A, E, B, C, R • Topsoil vs. clay • Page 230 (top of page) • Land degradation and erosion • Desertification • The dust bowl

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