First Agricultural Revolution
- Also known as the Neolithic Revolution
- Used to do hunting and gathering
- Hunting and gathering meant moving frequently because of the seasons
- Moved to domesticating plants and animals
- Happened about 11,000 years ago
Second Agricultural Revolution
- Happened in the 1700s and the 1800s
- Took place in Western Europe
- Because of Industrialization
- Crop rotation so the soil still has nutrients to give to the plants
- Four-course system-it was characterized by an emphasis on fodder crops and by the absence of a fallow year, which had characterized earlier methods
- It improved efficiency
Third Agricultural Revolution
- Also known as the Green Revolution
- Green Revolution-increase in grain production with goal to alleviate world hunger, ex: miracle rice
- In Latin America and India
- Technological innovations and scientific farming methods
- Mechanization, chemical applications, biotechnology
- Gas and diesel engine tractors
- Increased yields
- Pollution and reliance on petroleum
GMO's
- GMO = genetically modified organisms
- GMO- plants and animals changed as a result of biotechnology
- Advantages: More resistant to weeds, pests and disease. And sometimes higher nutritional value.
- Disadvantages: Mixing genes from different organisms, some GM foods were marketed without labeling, long term consequences not fully understood.
Information from:
- Unit 5 Agriculture powerpoint
- https://www.britannica.com/topic/Norfolk-four-course-system
Credits:
Created with images by StateofIsrael - "Agriculture" • Artist of doing nothing. - "Growing wheat field, springtime green. Invigorating body, mind and soul. Hopefully not ( yet ) Triticum Monte Santum !!! Who knows ?" • Macleay Grass Man - "Vigna unguiculata habit1" • tpsdave - "tractor grain mixer rural" • @mist3ry30 - "I think they're taking this GMO business a bit too far now. / #GMO #artofvisuals #fatalframes #igworldclub #eclectic_shotz #ourmoodydays #superhubs #hubs_united #global_hotshotz #moody #moodygrams #imaginatones #houseoftones #gramslayers #graphicdesign #d"