Unit 5 Agriculture

Unit 5 Vocabulary
(Agriculture)

• Began around 12,000 years ago

• Transformed human society from hunter/gatherers to farmers

• The first time humans established permanent settlements which led to...

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First Agricultural Revolution

• Began in England in the 1700s

• Led to a huge increase in food production due to mechanized farming, and new techniques such as crop rotation

• Happened at the same time as the ...

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Second Agricultural Revolution

• Also known as the Green Revolution

• Took place around the 1950s and 1960s.

• New technologies, like fertilizer and pesticide, allowed us to increase crop yields dramatically, especially of grains.

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Third Agricultural Revolution

This model illustrates the balance between land cost and transportation cost. It illustrates (generally) how land is organized from the city center to the farthest outskirts of civilization.

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Von Thunen's Model of Land Use