The first agricultural revolution or neolithic revolution, began between 10,000 BC and 2000 BC. It was the transition from hunting to farming for a source of food. Wheat was the first crop to be cultivated by man.
The second agricultural revolution or industrial revolution, occurred from 1700 to 1900. The revolution was the change in use in more tools and technology for farming. Technologies have advanced a lot until today the photo is a tractor used to lift hay barrels.
The third agricultural revolution or the green revolution, occurred during the 1980s and 1990s. It allowed more crops to be grown, better quality and performance, and better land use. Many more crops were able to be produced.
A gene being moved to fit a specific trait is called a genetically modified organism. They changed farming by making it easier and have higher profit there are although pros and cons. Pros are they can increase profit and kill insects, cons are farmers make private contracts with gmo companies which leads to lawsuits, the plants may also evolve bugs into super bugs that won't die.
Subsistence farming is providing just enough food for you and your family. Sustainable agriculture is supporting and protecting your community using farming methods. Commercial farming is the selling crops you grow.
The average dairy cow produces seven gallons of milk a day, 2,100 pounds of milk a month, and 46,000 glasses of milk a year. Raising beef cattle is the single largest segment of American agriculture. One pound of wool can make 10 miles of yarn. Soybeans are an important ingredient for the production of crayons. In fact, one acre of soybeans can produce 82,368 crayons.