Unit 5 Review
Tractors, pesticides, and exporting goods are 3 parts of what?
Third Agricultural Revolution
When 3rd world countries (LDCs) adopted Third Agricultural Revolution practices?
Green Revolution
Green Revolution most successful in what country?
India Synthetic rice Use of irrigation systems to create “artificial” monsoon
What is another name for sustainable agriculture?
Organic Agriculture
What are the 3 fossil fuels?
Coal, Oil, Natural Gas
Are fossil fuels renewable or nonrenewable sources of fuel?
Nonrenewable
What resource does nuclear power come from?
Uranium Russia – large resources
Plant and animal material burned for fuel without increasing carbon levels in the atmosphere?
Biomass Switchgrass, poplar, willow
Which agricultural revolution was accelerated by the Industrial Revolution; increasing use of tools?
Second Agricultural Revolution
What is caused from permitting incoming solar radiation but inhibiting outgoing terrestrial radiation?
Greenhouse Effect
What are the 3 gases most involved in the Greenhouse Effect?
Water vapor, carbon, methane
What started the First Agricultural Revolution?
Vegetative Agriculture (roots/stems) Seed agriculture came later
What ring did Von Thünen place the livestock?
4th ring
What are the 2 things necessary to maximize profits?
Decrease transportation and production costs
How does putting livestock in 4th ring maximize profit?
Decreases transportation costs since animals are self-transporting
Who had a theory that the agricultural methods depend on the size of the population. The larger the world population grows, the more innovations are made to make feeding the expanding population possible.
Ester Boserup More optimistic than Thomas Malthus
Who identified 11 agricultural hearths?
Carl Sauer
What was the agricultural hearth for wheat and barley?
Mesopotamia (Fertile Crescent)
What is the agricultural hearth for the potato?
South America (current day Peru)
Most of the world uses what type of agriculture?
Shifting cultivations
What type of agriculture uses double cropping?
Intensive Subsistence Farming Farming to survive Having to make the most of the land due to population demands
What is the term for growing multiple crops on the same land? Growing a fragile crop between 2 rows of durable crops to protect fragile crops from downpour
Intertillage
If you’re tying to use less artificial fertilizers (more sustainable agriculture), you can help keep the soil from drying out by planting peanuts after having planting tobacco the season before. This would be:
Crop Rotation
Shifting cultivations exist in societies with what 3 factors?
Low technology High amounts of land Low population
Cash cropping is to ____ as subsistence farming is to ________. Intensive; extensive B. Plantations; agribusiness C. Extensive; intensive D. Agribusiness; aquaculture
B – Extensive; intensive