1. Agriculture: Revolutions and Responses
AP Human Geography
Agriculture, Food Production, and Rural Land Use Unit

2. For today, 04/05 Do you have an exam study guide?
Vocab and Map Exam is this Thursday!
You will need to arm yourselves with note- taking apparatus
Turn in Meatrix homework to the tray

3. First Agricultural Revolution
About 8,000-10,000 years ago
Intentional domestication of plants and animals – vegetative and seed planting
Created surplus of crops like wheat and barley
Surplus of food allowed specialization of labor, which created civilization as we know it
Subsistence based

4. Second Agricultural Revolution
Around : it coincided with the Industrial Revolution
New technologies yield more crops (wheat, corn, rice)
Farming equipment, refrigeration, railroads
Larger farms – could do much more with much less
Introduction of commercial farming – could transport to in-demand markets
Think about its role in the DTM…

5. Third Agricultural Revolution
Also know as the Green Revolution and Gene Revolution
1940s and 50s - today
(1.) Higher-yield seeds (rice, wheat, corn)
(2.)Expanded use of fertilizers and pesticides
(3.) GMO/GE crops and animals
Created agribusiness
Major effects on “hungry areas”

6. As a group, check for understanding:
Where did it start?
Where did it diffuse?
How did it impact the world?
Do this for EACH of the three revolutions!

7. Organic : Response to the Green Revolution
Organic Agriculture: production of crops without the use of synthetic or industrially produced pesticides and fertilizers or the raising of livestock without hormones, antibiotics, and synthetic feeds

8. Unintended consequences of the Green Revolution:
1.) Biodiversity loss
2.) Soil
3.) Air pollution
4.) Water
5.) Human health

9. Organic vs. Non-Organic Cropland
Organic: 1 dot = 250 acres
Non-Organic: 1 dot = 25,000 acres

10. In your group (without using sources), explain why you think DAIRY FARMS are decreasing and ORGANIC FARMS are increasing.