What is the key concept for this section? What is soil conservation? Describe six ways to reduce topsoil erosion. What is hydroponics? Define organic fertilizers and name and describe three types of...

What is the key concept for this section? What is soil conservation? Describe six ways to reduce topsoil erosion. What is hydroponics? Define organic fertilizers and name and describe three types of organic fertilizers. What is biochar? Define crop rotation and explain how it can help restore topsoil fertility. What are some ways to prevent and some ways to clean up soil salinization? How can we reduce desertification? What are some ways to make meat production and consumption more sustainable? Describe three ways to make aquaculture more sustainable. List eight benefits of organic agriculture. What are four important components of a more sustainable food production system? 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 food production?