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Chapter 12 - Coggle Diagram
Chapter 12
Agricultural revolutions
- Neolithic Revolution
2.Small farms
3.Industrial Revolution
4.Green Revolution
Traditional Agriculture
Subsistence agriculture: farmers grow enough crops to feed family with little profit
-farmers live close to the edge
Poor and cannot survive crop failures
Common in Asia, Latin America, sub-Saharan Africa
Many depend on imported food and prices are soaring
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Modern Agriculture
Components of Conventional Farming
- Modern machinery
- Infrastructure
- Chemicals
- Irrigation
- Expansive land
- Confined Animal Feeding Operations (CAFOs)
- Genetically modified organisms (GMOs)
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Biofuel: ethanol oils from agriculture crops
-Important: limits use of foreign oil and also helps climate change mitigation
-Biodiesel: renewable fuel made from fats and oils
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Food Crisis: Security
Food security: access for every person to enough nutritious food for active and healthy life
-Family --> subsistence agriculture (farming to feed your family)
-Nation --> fill voids when not enough food
- global community --> help nations in need of food security
Hunger; lack of basic food required to provide energy and to meet nutritional needs
Undernourishment: lack of adequate food for energy
Malnutrition: lack of essential nutrients
Over-nourishment: eating too much
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