Summary: Chapter 4
- This + 400k other summaries
- A unique study and practice tool
- Never study anything twice again
- Get the grades you hope for
- 100% sure, 100% understanding
Read the summary and the most important questions on Chapter 4
-
1 Chapter 4
This is a preview. There are 5 more flashcards available for chapter 1
Show more cards here -
Why is diversity necessary to a healthy food system?
stronger and more resilient, better able to withstand disruption, sustainable for the long term -
Where do 40% of food calories worldwide come from?
Wheat
Rice
Corn -
Why has the agricultural industry embraced monocultures
to support the use of large scale machinery and agrichemicals -
How do monocultures impact soil diversity?
fewer crops = fewer microorganisms -
What is ridge tilling?
Only tills the top of the mound leaving just enough room to plant the seeds and does not disturb much of the surrounding areas -
What is the benefit of ridge tilling?
Does not expose weed seeds to air and sun for germination -
What is a cover crop?
Crop planted between seasons that builds soil quality and improves nutrient content -
Why are legumes an especially good cover crop?
they take nitrogen from the air and fix it into the plants which then gets tilled back into the soil -
What's the major reason why there is so little diversity on farms today?
Higher risk in farming without the safety net of government programs (which generally support monocultures) -
What is a CSA?
Community Supported Agriculture
Individuals provide financial and physical support to the farm, buy shares in the crops
- Higher grades + faster learning
- Never study anything twice
- 100% sure, 100% understanding