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The Industrial Revolution led to faster and more efficient farming technology, which helped usher in the Second Agricultural Revolution from 1700 to 1900 in developed countries. Many less developed countries are still experiencing the Second Agricultural Revolution.

The Third Agricultural Revolution, or the Green Revolution, corresponds in the late 20th century with the exponential population growth occurring around the world. It includes biotechnology, genetic engineering, chemical fertilizers, and mass production of agricultural goods.

Subsistence farmers are farmers who produce the food they need to survive on a daily basis. They are farmers who raise enough food for themselves and their families. The food is not intended to be sold in a market.

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