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Agricultural Revolutions…
were a geographically uneven process
First Ag. Revolution Innovation
Control of the seed
first ag revolution social importance
sedentary lives, urbanization, emergence of human civilization
second ag revolution innovation
knowledge of fertilizers, plow more fields
second ag revolution social importance
creates a commercial market for food
third ag revolution innovation
simple mechanization
third ag revolution social importance
less farming labor needed, introduced global food market
Green revolution
modern, industrial ag we have today
monocropping
efficiency of scale, mass producing one crop
outcomes of green revolution
everything mechanized, chemicals fertilizers and pesticides, hybrid seeds, massive irrigation projects, GMOs
crops that feed the world
wheat, corn, rice
GMOs
any organism that has its DNA modified in a laboratory rather than other forms of evolution
Synthetic pestides…
are known carcinogenics and are harmful to human health