| Timeline |
| 1904 |
Benjamin Holt
develops the gas-powered tractor. |
| 1905 |
J. B. Davidson,
the "father of agricultural engineering," develops first professional
agricultural curriculum at Iowa State University. |
| 1907 |
Henry Ford built
his first experimental tractor |
| 1911 |
Case's
steam-engine production peaked when the company also produced its
first gasoline-powered tractor |
| 1915 |
Fenno-Ronning
invents the corn silage harvester |
| 1916 |
Ford Motor
Company began production of the Fordson tractor |
| 1925 |
Benjamin Holt
merges with Best Tractor to form Caterpillar Tractor
Company |
| 1935 |
Harry Ferguson
develops the hydraulic draft control system for agricultural
tractors, greatly improving the operator's ability to control
implements, a system that is adopted worldwide |
| 1935 |
Agronomists Frank
Duley and Jouette Russel conduct the first research on conservation
tillage using the sweep plow |
| 1940 |
Self-tying hay baler
| 1940s |
Arthur Farrall
becomes a leader in the food processing industry, especially in dairy
equipment manufacturing, and authors several foundation texts in
processing |
| 1943 |
E. W.
Rowland-Hill develops the rotary threshing concept |
| 1948 |
Frank Zybach
invents the center-pivot irrigation machine, revolutionizing
irrigation technology |
| 1949 |
John and Mack
Rust develop the mechanical cotton picker |
| 1950s |
Walter Sohne
develops the theoretical basis for soil traction mechanics, important
in the design of tractors and tillage implements |
| 1950-60s |
Eugene McKibben
conducts theoretical and applied research in the soil dynamics of
plows and other tillage equipment, and directs the USDA research
programs in mechanization |
| 1976 |
Rotary and tine
separator combines. |
|
