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commercial agriculture form of agriculture where farmers grow crops and raise livestock for profit to sell to customers
subsistence agriculture form of agriculture where farmers grow food for survival and for their family’s consumption
intensive farming method that expends a great deal of effort to produce as much yield as possible from an area of land Rely on high levels of “inputs” and energy Input: fertilizers, pesticides, human and animal la
extensive farming method using low input of labor and capital per unit of land area Often involves large plots of land and limited resources Often found in areas with low population density Typically uses natural resources Examples: ranching; nomadic herding
bill rent theory explains how land value determines how a farmer will use the land
third agricultural revolution Beginning in the early 20th century and continuing to today, further mechanization and the development of new technology brought about advances in agriculture Started in core countries and moved to the periphery
political effect of green revolution
cocoa belt within 20 degrees of the equator
coffee is born in vietnam, brazil, ethiopia
plantation large farm that specializes in one or two crops
cash crops produced for its commercial value rather than use by the farmer; coffee, sugarcane, cotton, tobacco, cacao, tea, rubber
corn One of the most widely grown crops in the world ● Uses: food, animal feed, biofuel ● Crop has diffused across continents (hearth is Mexico) & has adapted to various climates & soil types ●
subsistence primary goal is to produce enough to feed family w/ little left over for sale
 

 



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