Agricultural revolution

In the Earth's history there have been a number of agricultural revolutions. The term is quite vague, however, and many claims of revolutionary change are contested by some economic historians.

Agricultural Revolutions:

• Origins of agriculture - (perhaps 10000 years ago) - forms the basis for human civilization to develop.
• British Agricultural Revolution (18th century) - helps launch the Industrial Revolution
• Green Revolution (1945- ) use of industrial fertilizers and new crops greatly increases the world's agricultural output.