1. Agriculture employs more than 24 million American workers (17% of the total U.S. work force).
2. 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.
3. The longest recorded flight of a chicken is 13 seconds.
4. Agricultural efficiency has increased over the past century from 27.5 acres/worker in 1890 to 740 acres/worker in 1990.
5. Americans spend 10% of their income on food, which is the lowest of any country
6. In 1830, it took about 250 to 300 labor hours to produce 100 bushels (5 acres) of wheat. In 1975, it took just 3¾ hours.
7. In 1890-99 the average consumption of commercial fertilizer was 1,845,900 tons per year. From 1980-89 it was 47,411,166 tons per year.
8. In 1954, the number of tractors on farms surpassed the number of horses and mules for the first time
9. Total global cropland amounts to roughly 1.5 billion hectares. Genetically modified organisms (GMOs) make up more than 11% of all cropland in the world.
