George Washington Carver
George Washington Carver was a scientist, and studied soil nutrients. He learned that if farmers rotated the crops they grew in a field, they would get a better yield of cotton. Carver told farmers that if they planted peanuts or sweet potatoes some years instead of cotton, the soil would be replenished with nitrogen and other nutrients if needed to grow cotton the next year.
Carver experimented with the peanuts and sweet potatoes, and invented over 300 products using them. He created shampoos, oils, sauces, wood stains, milk, makeup and soaps all from the crops.
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