Agriculture- The raising of animals and/or the growing of crops to obtain food for primary consumption by the farm family or to sell.
- People discovered how to farm
- Could store their own food
- Food sources became more reliable
- Able to settle down and establish permanent settlements near their food.
Agriculture originated in multiple places around the world. Southwest Asia, East Asia, Sub-Saharan Africa, Latin America.
Animal domestication began in the fertile crescent.
Subsistence Agriculture- where people only grow enough to survive.
2nd Agriculture Revolution
- Technological advances
- Began with new methods
- crop rotation, better horse collars
- New technologies- replace human labor with machines, supplement natural fertilizers, and pesticides with chemicals
3rd Agricultural Revolution
- Began in 1940s
- New strains of seeds and fertilizers and dramatically increased crop output
- scientists found new hybrid strains of wheat maize, and rice capable of producing more food.
- Increased protection from pests and diseases
- hormones and steroids
- New fertilizers
- Pesticides and herbicides
- Food production outpaced population growth
- Not able to completely eradicate hunger
- Norman Borlaug
A (genetically modified organism) is the result of a laboratory process where genes of one species are extracted and artificially forced into the genes of an unrelated plant or animal. Can give the new plant/animal disease resistance or higher yield. Some disadvantages are that some insects and diseases grow resistant to the genes of the plant in order to survive.
They grow crops to make money. They use many large farms, equipment, and workers. It includes fruit, grains, and livestock. Livestock farming would be considered extensive commercial agriculture. Capital Intense farming is lots of input going into food production and the labor is intensive.
- concerns over presence of chemicals in system
- sales of organic foods on the rise
- grown everywhere
- demand in wealthier countries
Four Fun Facts
- Like snowflakes, no two cows have exactly the same pattern of spots.
- Elevators in the Statue of Liberty use a soybean-based hydraulic fluid.
- One pound of wool can make 10 miles of yarn. There are 150 yards (450 feet) of wool yarn in a baseball.
- Soybeans are an important ingredient for the production of crayons. In fact, one acre of soybeans can produce 82,368 crayons.