Agriculture Brianna Adamson

First Agriculture Revolution


Neolithic Revolution: Happened around 8000 BCE. This is when people discovered how to farm. It changed the way people lived because they were able to store their food and they could settle down and establish settlements near their food. Wheat, Barley, Lentil, and Olive were the first crops grown.

Second Agriculture Revolution

Industrial Revolution: Started in the 1600's in western Europe. Technological changes and new methods (crop rotations and better horse collars) changed the way farming was done. This is when people started using machines instead of human labor.

Third Agriculture Revolution

Modern Day Farming

Green Revolution: Began in the 1940's and 50's. In this point in time we came up with Biotechnology, new fertilizers, pesticides, herbicides, mechanization (tractors & combines), and irrigation so we don't have to rely on rain.


GMO stands for genetically modified organisms, and they are when a crop gets injected with genes from another organism to make the crop more resistant to different things. Some pros of GMO'S is that they are more resistant to insects and gathering healthier crops. Some cons are that they can pose a health risk in humans and pollen from modified plants can infect other plants creating superweeds.

Fun Facts About Agriculture

  • one pound of wool makes 10 miles of yarn
  • the average dairy cow produces 46,000 glasses of milk a year
  • the heaviest turkey ever raised weighed 86 pounds, about the size of an average third-grader
  • there are 47 different breeds of sheep in the U.S.

Subsistence Farming

Subsistence farming is when people only grow enough fod for the local population. (usually small scale and low tech)

Sustainable Farming

Sustainable farming is the production of food that uses farming techniques that protects the environment.

Commercial Farming

Commercial farming is when people grow crops to make money off of.


Created with images by Unsplash - "barley cereal grain" • jayneandd - "Wheat" • tpsdave - "tractor grain mixer rural"

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