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Summary: Chapter 4
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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
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