Session3 - Nutr 241A Agricultural Science and Policy I Fall...

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S e a r c h Readings: Session 3 Authors : Kathleen Merrigan, Ph.D., William Lockeretz, Ph.D. Readings Out of the Earth: Civilization and the Life of the Soil . Chapter 3. The Fertile Substrate and chapter 4, The Vital Fluid. Daniel Hillel (1991). Principles of Ecology in Plant Production . Chapter 6. Soil and plant production. E.A. Hanlon and F.M.Rhoads ( 1998) Key Questions The Fertile Substrate What are the functions of soils? What are the important processes that lead to soil formation? What are the important components of soils? What are the important properties of sand, silt, clay and organic matter in soils? What is a soil profile? What factors influence soil formation? The Vital Fluid What is the importance of water for agriculture? What are some of the anomalous properties of water that works to the advantage of agriculture? Principles of Ecology in Plant Production What is the definition of soil?
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