Technological Advances
Technological Advances
- Metal added to wooden plow mid 1600’s
- Jethro Tull’s seed drill early 1700’s
- Use of limestone late 1700’s
- Cast-iron moldboard plow 1797
- John Deere’s steel plow 1830’s
- Cyrus McCormick’s reaper 1831
- Steam power replaced horse power in late 1800’s