Chronological history by decade from
History of Research at the U.S. Department of Agriculture and Agricultural Research Service
Blue=USDA research accomplishment
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Potatoes are one of the world's top-four staple crops.
Foot-and-mouth disease first reported in the U.S. (more)
Developed a middling purifier with a roller process for grinding to produce superior flour.
First systematized, synchronous meteorological report ever taken in the U.S. was read and transmitted by telegraph.
Patent for cotton stripper granted.
The Washington navel orange introduced into California with trees secured from Brazil by USDA. (more)
Aberdeen-Angus bulls imported from Scotland.
Pressure cooker invented; patents first granted in 1902, but not in general use until 1935.
Glidden barbed-wire patent granted.
Manufacture of oleomargarine began in the U.S.
Durra sorghum, known as Egyptian corn, introduced into California from Egypt. (more)
Mechanical refrigeration invented.
First commercial feed mill established.
Germ theory of disease verified.
Charles Darwin wrote the first complete analysis and description of hybrid vigor called Cross- and Self-Fertilization in the Vegetable Kingdom.
United States Entomological Commission established to study grasshoppers.
British traders sent seed of the rubber tree (Hevea brasiliensis) from Brazil to Malaya; began Asian dominance of rubber market.
Sugar beets cultivated successfully in Maine under a system of vertical integration.
An all-roller mill constructed in Philadelphia led the way to more efficient, cheaper, and cleaner milling.
Formalized veterinary education began at Iowa State College, making it the oldest state veterinary college.
Send comments or questions about this historical timeline to Sean Adams.