Environmental Science 14th Edition by Tyler Miller ,Scott Spoolman

Exercise 23

What is the key concept for this section What is soil conservation Describe six ways to reduce topsoil erosion. Summarize the history of soil erosion and soil conservation in the United States. Distinguish among the use of organic fertilizer, synthetic inorganic fertilizer animal manure, green manure , and compost as ways to help restore topsoil fertility. Describe ways to prevent and ways to clean up soil salinization. Describe three major methods of irrigating crops. Which ones can help reduce soil salinization How can we reduce desertification How can we make aquaculture more sustainable Describe ways to produce meat more sustainably. Summarize - three important aspects of making a shift to more sustainable food production. Describe the advantages of organic farming and its role in making this shift. What five strategies could help farmers and consumers shift to more sustainable agriculture List the advantages of relying more on organic polyculture and perennial crops. What are three important ways in which individual consumers can help to promote more sustainable agriculture